# List of bridges documented by the Historic American Engineering Record in Pennsylvania

The following bridges in Pennsylvania are documented by the Historic American Engineering Record.

## Bridges

| Survey No. | Name (as assigned by HAER) | Status | Type | Built | Documented | Carries | Crosses | Location | County | Coordinates |
| NY-66 | New York, Ontario and Western Railroad, Delaware River Bridge | Demolished | Warren truss | | 1971 | New York, Ontario and Western Railway (former) | Delaware River | Buckingham Township, Pennsylvania, and Hancock, New York | Wayne County, Pennsylvania, and Delaware County, New York | 41°57′16″N 75°17′56″W﻿ / ﻿41.95444°N 75.29889°W﻿ / 41.95444; -75.29889﻿ (New York, Ontario and Western Railroad, Delaware River Bridge) |
| NY-79 | Lordville Suspension Bridge | Replaced | Suspension | 1904 | 1971 | SR 1023 (Lordville Road) | Delaware River | Equinunk, Pennsylvania, and Lordville, New York | Wayne County, Pennsylvania, and Delaware County, New York | 41°52′04″N 75°12′50″W﻿ / ﻿41.86778°N 75.21389°W﻿ / 41.86778; -75.21389﻿ (Lordville Suspension Bridge) |
| PA-1 | Delaware Aqueduct | Extant | Suspension | 1847 | 1969 | Delaware and Hudson Canal (former) | Delaware River | Lackawaxen, Pennsylvania, and Minisink Ford, New York | Pike County, Pennsylvania, and Sullivan County, New York | 41°28′57″N 74°59′04″W﻿ / ﻿41.48250°N 74.98444°W﻿ / 41.48250; -74.98444﻿ (Delaware Aqueduct) |
| PA-2 | Smithfield Street Bridge | Extant | Lenticular truss | 1883 | 1974 | Smithfield Street | Monongahela River | Pittsburgh | Allegheny | 40°26′05″N 80°00′08″W﻿ / ﻿40.43472°N 80.00222°W﻿ / 40.43472; -80.00222﻿ (Smithfield Street Bridge) |
| PA-3 | Brady Street Bridge | Replaced | Steel tied arch | 1896 | 1973 | South 22nd Street | Monongahela River | Pittsburgh | Allegheny | 40°26′00″N 79°58′25″W﻿ / ﻿40.43333°N 79.97361°W﻿ / 40.43333; -79.97361﻿ (Brady Street Bridge) |
| PA-4 | North Side Point Bridge | Demolished | Pennsylvania truss | 1915 | 1973 | | Allegheny River | Pittsburgh | Allegheny | 40°26′37″N 80°00′46″W﻿ / ﻿40.44361°N 80.01278°W﻿ / 40.44361; -80.01278﻿ (North Side Point Bridge) |
| PA-5 | Point Bridge | Demolished | Steel tied arch | 1927 | 1973 | | Monongahela River | Pittsburgh | Allegheny | 40°26′27″N 80°00′52″W﻿ / ﻿40.44083°N 80.01444°W﻿ / 40.44083; -80.01444﻿ (Point Bridge) |
| PA-6 | Erie Railway, Delaware Division, Bridge 189.46 | Extant | Stone arch | 1848 | 1971 | New York, Susquehanna and Western Railway | Starrucca Creek | Lanesboro | Susquehanna | 41°57′46″N 75°35′00″W﻿ / ﻿41.96278°N 75.58333°W﻿ / 41.96278; -75.58333﻿ (Delaware Division, Bridge 189.46) |
| PA-7 | Erie Railway, Bradford Division, Bridge 27.66 | Ruin | Trestle | 1882 | 1971 | | Kinzua Creek | Mount Jewett | McKean | 41°45′45″N 78°35′19″W﻿ / ﻿41.76250°N 78.58861°W﻿ / 41.76250; -78.58861﻿ (Bradford Division, Bridge 27.66) |
| PA-15 | Dingman's Ferry Bridge | Extant | Baltimore truss | 1900 | 1971 | PA 739 and CR 560 | Delaware River | Dingmans Ferry and Sandyston Township | Pike County, Pennsylvania and Sussex County, New Jersey | 41°13′12″N 74°51′33″W﻿ / ﻿41.22000°N 74.85917°W﻿ / 41.22000; -74.85917﻿ (Dingman's Ferry Bridge) |
| PA-16 | Erie Railway, Delaware Division, Bridge 190.13 | Extant | Reinforced concrete open-spandrel arch | 1930 | 1971 | Norfolk Southern Railway | PA 171 (South Main Street) | Lanesboro | Susquehanna | 41°57′16″N 75°35′09″W﻿ / ﻿41.95444°N 75.58583°W﻿ / 41.95444; -75.58583﻿ (Delaware Division, Bridge 190.13) |
| PA-17 | Erie Railway, Delaware Division, Culvert 190.21 | Extant | Reinforced concrete closed-spandrel arch | 1930 | 1971 | Norfolk Southern Railway | Canawacta Creek | Lanesboro | Susquehanna | 41°57′15″N 75°35′11″W﻿ / ﻿41.95417°N 75.58639°W﻿ / 41.95417; -75.58639﻿ (Delaware Division, Culvert 190.21) |
| PA-18 | Erie Railway, Cascade Bridge | Replaced by embankment | | | 1971 | Norfolk Southern Railway | Cascade Creek | Lanesboro | Susquehanna | 41°59′24″N 75°35′31″W﻿ / ﻿41.99000°N 75.59194°W﻿ / 41.99000; -75.59194﻿ (Cascade Bridge) |
| PA-19 | Mead Avenue Bridge | Replaced | Whipple truss | 1872 | 1971 | Mead Avenue | French Creek | Meadville | Crawford | 41°38′16″N 80°09′45″W﻿ / ﻿41.63778°N 80.16250°W﻿ / 41.63778; -80.16250﻿ (Mead Avenue Bridge) |
| PA-22 | Pennsylvania Railroad, Allegheny River Bridge | Extant | Parker truss | 1932 | 1971 | Western New York and Pennsylvania Railroad | Allegheny River | Oil City and Cranberry Township | Venango | 41°25′21″N 79°41′52″W﻿ / ﻿41.42250°N 79.69778°W﻿ / 41.42250; -79.69778﻿ (Pennsylvania Railroad, Allegheny River Bridge) |
| PA-23 | Erie Railway, Delaware River Bridge | Extant | Pratt truss | | 1971 | Central New York Railroad | Delaware River | Millrift, Pennsylvania and Deerpark, New York | Pike County, Pennsylvania, and Orange County, New York | 41°24′23″N 74°44′29″W﻿ / ﻿41.40639°N 74.74139°W﻿ / 41.40639; -74.74139﻿ (Erie Railway, Delaware River Bridge) |
| PA-24 | Erie Railway, Delaware Division, Bridge 110.54 | Extant | Pratt truss | 1894 | 2000 | Central New York Railroad | Lackawaxen River | Lackawaxen | Pike | 41°29′13″N 74°59′21″W﻿ / ﻿41.48694°N 74.98917°W﻿ / 41.48694; -74.98917﻿ (Delaware Division, Bridge 110.54) |
| PA-27 | Erie Railway, Diverging French Creek Bridges | Extant | Lattice truss | | 1971 | Western New York and Pennsylvania Railroad | French Creek | Cambridge Springs | Crawford | 41°49′55″N 79°58′41″W﻿ / ﻿41.83194°N 79.97806°W﻿ / 41.83194; -79.97806﻿ (Erie Railway, Diverging French Creek Bridges) |
| PA-28 | Erie Railway, Parallel French Creek Bridges | Extant | Lattice truss | | 1971 | Western New York and Pennsylvania Railroad | French Creek | Cambridge Springs | Crawford | 41°48′18″N 80°02′22″W﻿ / ﻿41.80500°N 80.03944°W﻿ / 41.80500; -80.03944﻿ (Erie Railway, Parallel French Creek Bridges) |
| PA-31 | Delaware River Bridge | Extant | Suspension | 1904 | 1970 | Delaware Road | Delaware River | Riegelsville, Pennsylvania, and Riegelsville, New Jersey | Bucks County, Pennsylvania, and Warren County, New Jersey | 40°35′39″N 75°11′27″W﻿ / ﻿40.59417°N 75.19083°W﻿ / 40.59417; -75.19083﻿ (Delaware River Bridge) |
| PA-34 | Pennsylvania Railroad, Erie Railway Bridge | Extant | Parker truss | | 1970 | Pennsylvania Railroad (former) | Erie Railway | Corry | Erie | 41°53′59″N 79°43′13″W﻿ / ﻿41.89972°N 79.72028°W﻿ / 41.89972; -79.72028﻿ (Pennsylvania Railroad, Erie Railway Bridge) |
| PA-35 | Falls Bridge | Extant | Baltimore truss | 1895 | 1999 | | Schuylkill River | Philadelphia | Philadelphia | 40°00′30″N 75°11′54″W﻿ / ﻿40.00833°N 75.19833°W﻿ / 40.00833; -75.19833﻿ (Falls Bridge) |
| PA-36 | Philadelphia and Reading Railroad, Wissahickon Creek Viaduct | Extant | Stone arch | 1882 | 2000 | SEPTA Manayunk/Norristown Line | Wissahickon Creek | Philadelphia | Philadelphia | 40°00′56″N 75°12′23″W﻿ / ﻿40.01556°N 75.20639°W﻿ / 40.01556; -75.20639﻿ (Wissahickon Creek Viaduct) |
| PA-37 | Connecting Railway, Schuylkill River Bridge | Extant | Stone arch | 1867 | 2000 | Amtrak Northeast Corridor, etc. | Schuylkill River | Philadelphia | Philadelphia | 39°58′35″N 75°11′38″W﻿ / ﻿39.97639°N 75.19389°W﻿ / 39.97639; -75.19389﻿ (Connecting Railway Bridge) |
| PA-38 | Pennsylvania Railroad, West Philadelphia Elevated | Extant | Brick arch | 1903 | 2000 | CSX Harrisburg Subdivision | Market Street, etc. | Philadelphia | Philadelphia | 39°57′18″N 75°11′07″W﻿ / ﻿39.95500°N 75.18528°W﻿ / 39.95500; -75.18528﻿ (West Philadelphia Elevated) |
| PA-39 | Philadelphia and Reading Railroad, Schuylkill River Viaduct | Extant | Stone arch | 1856 | 2000 | CSX Trenton Subdivision | Schuylkill River | Philadelphia | Philadelphia | 40°00′23″N 75°11′34″W﻿ / ﻿40.00639°N 75.19278°W﻿ / 40.00639; -75.19278﻿ (Schuylkill River Viaduct) |
| PA-43 | Erie Railway, Shohola Creek Bridge | Extant | Steel built-up girder | | 1971 | Central New York Railroad | Shohola Creek | Shohola Township | Pike | 41°28′20″N 74°54′46″W﻿ / ﻿41.47222°N 74.91278°W﻿ / 41.47222; -74.91278﻿ (Erie Railway, Shohola Creek Bridge) |
| PA-53 | Sewickley Bridge | Replaced | Cantilever | 1911 | 1978 | SR 4025 | Ohio River | Sewickley and Moon Township | Allegheny | 40°31′59″N 80°11′16″W﻿ / ﻿40.53306°N 80.18778°W﻿ / 40.53306; -80.18778﻿ (Sewickley Bridge) |
| PA-54 | West Marshall Street Bridge | Replaced | Stone arch | 1854 | 1979 | Marshall Street | Stony Creek | Norristown | Montgomery | 40°07′07″N 75°20′46″W﻿ / ﻿40.11861°N 75.34611°W﻿ / 40.11861; -75.34611﻿ (West Marshall Street Bridge) |
| PA-55 | Reading-Halls Station Bridge | Extant | Howe truss | 1846 | 1984 | Private road | Philadelphia and Reading Railroad (former) | Muncy | Lycoming | 41°14′09″N 76°49′57″W﻿ / ﻿41.23583°N 76.83250°W﻿ / 41.23583; -76.83250﻿ (Reading-Halls Station Bridge) |
| PA-60 | Speicher Bridge | Replaced | Pratt truss | 1878 | 1983 | Old Church Road | Tulpehocken Creek | Penn and North Heidelberg townships | Berks | 40°24′21″N 76°04′50″W﻿ / ﻿40.40583°N 76.08056°W﻿ / 40.40583; -76.08056﻿ (Speicher Bridge) |
| PA-63 | Erie Railway, Meadville Division, Bridge 33.14 | Extant | Pratt truss | 1891 | 1999 | Erie Railway (former) | Oil Creek | Oil City | Venango | 41°25′57″N 79°42′34″W﻿ / ﻿41.43250°N 79.70944°W﻿ / 41.43250; -79.70944﻿ (Erie Railway, Meadville Division, Bridge 33.14) |
| PA-67 | Gross Covered Bridge | Relocated | Burr truss | 1878 | 1981 | TR 574 | Middle Creek | Beaver Springs | Snyder | 40°44′49″N 77°12′42″W﻿ / ﻿40.74694°N 77.21167°W﻿ / 40.74694; -77.21167﻿ (Gross Covered Bridge) |
| PA-68 | Kuhn's Fording Bridge | Demolished | Burr truss | 1897 | 1982 | Kuhn Fording Road | Conewago Creek | East Berlin | Adams | 39°55′29″N 76°59′40″W﻿ / ﻿39.92472°N 76.99444°W﻿ / 39.92472; -76.99444﻿ (Kuhn's Fording Bridge) |
| PA-72 | Dunlap's Creek Bridge | Extant | Cast iron arch | 1839 | 1984 | Market Street | Dunlap's Creek | Brownsville | Fayette | 40°01′18″N 79°53′17″W﻿ / ﻿40.02167°N 79.88806°W﻿ / 40.02167; -79.88806﻿ (Dunlap's Creek Bridge) |
| PA-83 | College Avenue Bridge | Replaced | Warren truss | 1914 | 1987 | PA 58 | Little Shenango River | Greenville | Mercer | 41°24′34″N 80°23′04″W﻿ / ﻿41.40944°N 80.38444°W﻿ / 41.40944; -80.38444﻿ (College Avenue Bridge) |
| PA-84 | Main Street Bridge | Replaced | Fink truss | 1847 | 1986 | Main Street | French Creek | Phoenixville | Chester | 40°08′09″N 75°30′59″W﻿ / ﻿40.13583°N 75.51639°W﻿ / 40.13583; -75.51639﻿ (Main Street Bridge) |
| PA-86 | Callowhill Street Bridge | Replaced | Whipple truss | 1875 | 1988 | Callowhill Street | Schuylkill River | Philadelphia | Philadelphia | 39°57′52″N 75°11′00″W﻿ / ﻿39.96444°N 75.18333°W﻿ / 39.96444; -75.18333﻿ (Callowhill Street Bridge) |
| PA-87 | Tunkhannock Viaduct | Extant | Reinforced concrete open-spandrel arch | 1915 | 1985 | Delaware, Lackawanna and Western Railroad (former) | Tunkhannock Creek | Nicholson | Wyoming | 41°37′20″N 75°46′38″W﻿ / ﻿41.62222°N 75.77722°W﻿ / 41.62222; -75.77722﻿ (Tunkhannock Viaduct) |
| PA-88 | Christiana Borough Bridge | Replaced | Whipple truss | 1895 | 1985 | North Bridge Street | Pennsylvania Railroad (former) | Christiana | Lancaster | 39°57′26″N 75°59′50″W﻿ / ﻿39.95722°N 75.99722°W﻿ / 39.95722; -75.99722﻿ (Christiana Borough Bridge) |
| PA-90 | Catawissa Bridge | Replaced | Warren truss | 1898 | 1984 | PA 42 (Main Street) | West Branch Susquehanna River | Catawissa | Columbia | 40°57′15″N 76°28′05″W﻿ / ﻿40.95417°N 76.46806°W﻿ / 40.95417; -76.46806﻿ (Catawissa Bridge) |
| PA-91 | Bridge Street Bridge | Replaced | Pratt truss | 1897 | 1985 | Bridge Street | South Branch French Creek | Union City | Erie | 41°53′50″N 79°50′07″W﻿ / ﻿41.89722°N 79.83528°W﻿ / 41.89722; -79.83528﻿ (Bridge Street Bridge) |
| PA-92 | Strawberry Mansion Bridge | Extant | Steel arch | 1897 | 1999 | Strawberry Mansion Drive | Schuylkill River | Philadelphia | Philadelphia | 39°59′42″N 75°11′37″W﻿ / ﻿39.99500°N 75.19361°W﻿ / 39.99500; -75.19361﻿ (Strawberry Mansion Bridge) |
| PA-93 | Old Mill Road Bridge | Extant | Pratt truss | 1870 | 1991 | Old Mill Road | Saucon Creek | Hellertown | Northampton | 40°33′41″N 75°20′53″W﻿ / ﻿40.56139°N 75.34806°W﻿ / 40.56139; -75.34806﻿ (Old Mill Road Bridge) |
| PA-96 | West End-North Side Bridge | Extant | Steel tied arch | 1932 | 1985 | US 19 | Ohio River | Pittsburgh | Allegheny | 40°26′47″N 80°01′37″W﻿ / ﻿40.44639°N 80.02694°W﻿ / 40.44639; -80.02694﻿ (West End-North Side Bridge) |
| PA-97 | Smithton Bridge | Replaced | Cantilever | 1900 | 1986 | PA 981 | Youghiogheny River | Smithton | Westmoreland | 40°09′25″N 79°44′41″W﻿ / ﻿40.15694°N 79.74472°W﻿ / 40.15694; -79.74472﻿ (Smithton Bridge) |
| PA-98 | Washingtonville Bridge | Demolished | Pratt truss | 1887 | 1986 | DeLong Road | Chillisquaque Creek | Derry Township | Montour | 41°04′08″N 76°40′55″W﻿ / ﻿41.06889°N 76.68194°W﻿ / 41.06889; -76.68194﻿ (Washingtonville Bridge) |
| PA-99 | St. Anthony Street Bridge | Replaced | Pratt truss | 1889 | 1987 | St. Anthony Street | Buffalo Creek | Lewisburg | Union | 40°58′12″N 76°53′00″W﻿ / ﻿40.97000°N 76.88333°W﻿ / 40.97000; -76.88333﻿ (St. Anthony Street Bridge) |
| PA-100 | East Bloomsburg Bridge | Replaced | Pennsylvania truss | 1894 | 1987 | PA 487 (Ferry Road) | Susquehanna River | Bloomsburg and Catawissa Township | Columbia | 40°59′33″N 76°26′21″W﻿ / ﻿40.99250°N 76.43917°W﻿ / 40.99250; -76.43917﻿ (East Bloosmburg Bridge) |
| PA-101 | Emlenton Bridge | Replaced | Whipple truss | 1883 | 1987 | PA 38 | Allegheny River | Emlenton | Venango and Clarion | 41°10′33″N 79°42′29″W﻿ / ﻿41.17583°N 79.70806°W﻿ / 41.17583; -79.70806﻿ (Emlenton Bridge) |
| PA-102 | Memorial Avenue Bridge | Replaced | Pennsylvania truss | 1889 | 1986 | Memorial Avenue | Lycoming Creek | Williamsport | Lycoming | 41°14′41″N 77°02′53″W﻿ / ﻿41.24472°N 77.04806°W﻿ / 41.24472; -77.04806﻿ (Memorial Avenue Bridge) |
| PA-105 | South Street Bridge | Replaced | Pratt truss | 1925 | 1986 | South Street | Pocono Northeast Railroad (former) | Wilkes-Barre | Luzerne | 41°14′23″N 75°53′6″W﻿ / ﻿41.23972°N 75.88500°W﻿ / 41.23972; -75.88500﻿ (South Street Bridge) |
| PA-112 | Allentown Road Bridge | Replaced | Stone arch | 1837 | 1987 | Allentown Road | Skippack Creek | Franconia Township | Montgomery | 40°17′19″N 75°20′19″W﻿ / ﻿40.28861°N 75.33861°W﻿ / 40.28861; -75.33861﻿ (Allentown Road Bridge) |
| PA-116 | Philadelphia and Reading Railroad, Skew Arch Bridge | Extant | Stone arch | 1857 | 2000 | Norfolk Southern Railway | North 6th Street | Reading | Berks | 40°20′34″N 75°55′33″W﻿ / ﻿40.34278°N 75.92583°W﻿ / 40.34278; -75.92583﻿ (Philadelphia and Reading Railroad, Skew Arch Bridge) |
| PA-117 | Philadelphia and Reading Railroad, Reading Depot Bridge | Demolished | Howe truss | | 1975 | Norfolk Southern Railway | North 6th Street | Reading | Berks | 40°20′35″N 75°55′32″W﻿ / ﻿40.34306°N 75.92556°W﻿ / 40.34306; -75.92556﻿ (Philadelphia and Reading Railroad, Reading Depot Bridge) |
| PA-118 | Philadelphia and Reading Railroad, Peacock's Lock Viaduct | Extant | Stone arch | 1856 | 2000 | Reading Blue Mountain and Northern Railroad | Schuylkill River | Reading | Berks | 40°24′36″N 75°56′51″W﻿ / ﻿40.41000°N 75.94750°W﻿ / 40.41000; -75.94750﻿ (Philadelphia and Reading Railroad, Peacock's Lock Viaduct) |
| PA-119 | Philadelphia and Reading Railroad, Walnut Street Bridge | Replaced | King post truss | | 1975 | Walnut Street | Norfolk Southern Railway | Reading | Berks | 40°20′18″N 75°55′26″W﻿ / ﻿40.33833°N 75.92389°W﻿ / 40.33833; -75.92389﻿ (Philadelphia and Reading Railroad, Walnut Street Bridge) |
| PA-120 | Philadelphia and Reading Railroad, Pedestrian Suspension Bridge | Relocated (partial) | Suspension | 1887 | 2000 | Sixth Street | Philadelphia and Reading Railroad (former) | Reading | Berks | 40°19′28″N 75°55′34″W﻿ / ﻿40.32444°N 75.92611°W﻿ / 40.32444; -75.92611﻿ (Philadelphia and Reading Railroad, Pedestrian Suspension Bridge) |
| PA-123 | Tank Farm Road Bridge | Demolished | Bowstring arch truss | | 1988 | Tank Farm Road | Philadelphia and Reading Railroad (former) | Emmaus | Lehigh | 40°31′22″N 75°31′48″W﻿ / ﻿40.52278°N 75.53000°W﻿ / 40.52278; -75.53000﻿ (Tank Farm Road Bridge) |
| PA-125 | Walnut Lane Bridge | Replaced | Prestressed concrete I-beam | 1950 | 1988 | Walnut Lane | Lincoln Drive and Monoshone Creek | Philadelphia | Philadelphia | 40°01′59″N 75°11′16″W﻿ / ﻿40.03306°N 75.18778°W﻿ / 40.03306; -75.18778﻿ (Walnut Lane Bridge) |
| PA-129 | Dauberville Bridge | Replaced | Reinforced concrete closed-spandrel arch | 1908 | 1988 | Belleman's Church Road | Schuylkill River | Centre and Ontelaunee townships | Berks | 40°27′25″N 75°58′37″W﻿ / ﻿40.45694°N 75.97694°W﻿ / 40.45694; -75.97694﻿ (Dauberville Bridge) |
| PA-130 | Allenwood Bridge | Replaced | Pratt truss | 1895 | 1989 | PA 44 (Bridge Avenue) | West Branch Susquehanna River | Delaware and Gregg townships | Northumberland and Union | 41°06′28″N 76°53′25″W﻿ / ﻿41.10778°N 76.89028°W﻿ / 41.10778; -76.89028﻿ (Allenwood Bridge) |
| PA-131 | Hill to Hill Bridge | Extant | Hudson truss | 1924 | 1988 | PA 378 (Wyandotte Street) | Lehigh River | Bethlehem | Lehigh and Northampton | 40°36′56″N 75°23′05″W﻿ / ﻿40.61556°N 75.38472°W﻿ / 40.61556; -75.38472﻿ (Hill to Hill Bridge) |
| PA-132-A | Delaware, Lackawanna and Western Railroad, Scranton Yards, Bridge 60 | Extant | Steel built-up girder | 1908 | 1989 | Delaware, Lackawanna and Western Railroad (former) | Lackawanna River, etc. | Scranton | Lackawanna | 41°24′40″N 75°40′23″W﻿ / ﻿41.41111°N 75.67306°W﻿ / 41.41111; -75.67306﻿ (Delaware, Lackawanna and Western Railroad, Scranton Yards, Bridge 60) |
| PA-132-H | Delaware, Lackawanna and Western Railroad, Scranton Yards, Washington Avenue Bridge | Replaced (partial) | Steel built-up girder | 1908 | 1989 | Delaware, Lackawanna and Western Railroad (former) | Lackawanna River, etc. | Scranton | Lackawanna | 41°24′22″N 75°39′57″W﻿ / ﻿41.40611°N 75.66583°W﻿ / 41.40611; -75.66583﻿ (Delaware, Lackawanna and Western Railroad, Scranton Yards, Washington Avenue Bridge) |
| PA-132-J | Delaware, Lackawanna and Western Railroad, Scranton Yards, Cedar Avenue Bridge | Replaced | Steel built-up girder | 1908 | 1989 | Delaware, Lackawanna and Western Railroad (former) | Lackawanna River, etc. | Scranton | Lackawanna | 41°24′20″N 75°39′50″W﻿ / ﻿41.40556°N 75.66389°W﻿ / 41.40556; -75.66389﻿ (Delaware, Lackawanna and Western Railroad, Scranton Yards, Cedar Avenue Bridge) |
| PA-135 | Brown Street Bridge | Replaced | Baltimore truss | 1899 | 1989 | Brown Street | Oil Creek | Titusville | Crawford | 41°37′26″N 79°39′55″W﻿ / ﻿41.62389°N 79.66528°W﻿ / 41.62389; -79.66528﻿ (Brown Street Bridge) |
| PA-141 | Freemansburg–Steel City Bridge | Replaced | Parker truss | 1896 | 1979 | Main Street | Lehigh River | Freemansburg | Northampton | 40°37′20″N 75°20′03″W﻿ / ﻿40.62222°N 75.33417°W﻿ / 40.62222; -75.33417﻿ (Freemansburg-Steel City Bridge) |
| PA-144 | Lehigh Canal, Monocacy Creek Aqueduct | Ruin | Stone arch | 1829 | 1979 | Lehigh Canal | Monocacy Creek | Bethlehem | Northampton | 40°36′59″N 75°22′50″W﻿ / ﻿40.61639°N 75.38056°W﻿ / 40.61639; -75.38056﻿ (Lehigh Canal, Monocacy Creek Aqueduct) |
| PA-173 | Sanderson Avenue Bridge | Replaced | Reinforced concrete closed-spandrel arch | 1904 | 1989 | Sanderson Avenue | Lackawanna River | Scranton | Lackawanna | 41°26′05″N 75°38′48″W﻿ / ﻿41.43472°N 75.64667°W﻿ / 41.43472; -75.64667﻿ (Sanderson Avenue Bridge) |
| PA-178 | Lehigh Canal, Aquashicola Creek Aqueduct | Ruin | | | 1979 | Lehigh Canal | Aquashicola Creek | Lower Towamensing Township | Carbon | 40°47′33″N 75°36′45″W﻿ / ﻿40.79250°N 75.61250°W﻿ / 40.79250; -75.61250﻿ (Lehigh Canal, Aquashicola Creek Aqueduct) |
| PA-179 | Bodines Bridge | Replaced | Pratt truss | 1890 | 1989 | SR 1006 | Lycoming Creek | Lewis Township | Lycoming | 41°05′38″N 76°48′11″W﻿ / ﻿41.09389°N 76.80306°W﻿ / 41.09389; -76.80306﻿ (Bodines Bridge) |
| PA-191 | Wilson Shute Bridge | Replaced | Pratt truss | 1889 | 1990 | SR 2008 (Wilson Chutes Road) | French Creek | Meadville | Crawford | 41°35′21″N 80°09′01″W﻿ / ﻿41.58917°N 80.15028°W﻿ / 41.58917; -80.15028﻿ (Wilson Shute Bridge) |
| PA-193 | Bucks County Bridge No. 313 | Replaced | Pratt truss | 1875 | 1993 | Letchworth Avenue | Delaware Division Canal | Yardley | Bucks | 40°14′19″N 74°49′52″W﻿ / ﻿40.23861°N 74.83111°W﻿ / 40.23861; -74.83111﻿ (Bucks County Bridge No. 313) |
| PA-195 | Lindbergh Bridge | Extant | Reinforced concrete open-spandrel arch | 1928 | 1991 | Marple Avenue | Darby Creek | Clifton Heights | Delaware | 39°56′01″N 75°17′24″W﻿ / ﻿39.93361°N 75.29000°W﻿ / 39.93361; -75.29000﻿ (Lindbergh Bridge) |
| PA-196 | Dougal Truss Bridge | Extant | Pratt truss | | 1990 | LR 920 (Gobbler's Way) | Pennsylvania Canal (Delaware Division) | Point Pleasant | Bucks | 40°25′25″N 75°03′55″W﻿ / ﻿40.42361°N 75.06528°W﻿ / 40.42361; -75.06528﻿ (Dougal Truss Bridge) |
| PA-197 | Cabin Run Covered Bridge | Extant | Town lattice truss | 1871 | 1990 | Schlentz Hill Road | Cabin Run | Point Pleasant | Bucks | 40°25′55″N 75°06′45″W﻿ / ﻿40.43194°N 75.11250°W﻿ / 40.43194; -75.11250﻿ (Cabin Run Covered Bridge) |
| PA-198 | Loux Covered Bridge | Extant | Town lattice truss | 1874 | 1990 | Carversville-Wisner Road | Cabin Run | Bedminster and Plumstead townships | Bucks | 40°25′23″N 75°07′40″W﻿ / ﻿40.42306°N 75.12778°W﻿ / 40.42306; -75.12778﻿ (Loux Covered Bridge) |
| PA-205 | Stewartstown Railroad Bridge | Extant | Pratt truss | 1870 | 1991 | Valley Road | Stewartstown Railroad | Stewartstown | York | 39°45′19″N 76°36′34″W﻿ / ﻿39.75528°N 76.60944°W﻿ / 39.75528; -76.60944﻿ (Stewartstown Railroad Bridge) |
| PA-206 | Walnut Street Bridge | Relocated | Pratt truss | 1860 | 1991 | Walnut Street | Saucon Creek | Hellertown | Northampton | 40°34′21″N 75°20′37″W﻿ / ﻿40.57250°N 75.34361°W﻿ / 40.57250; -75.34361﻿ (Walnut Street Bridge) |
| PA-207 | Haupt Truss Bridge | Relocated | Haupt truss | 1854 | 1986 | | Railroaders Memorial Museum | Altoona | Blair | 40°30′50″N 78°23′57″W﻿ / ﻿40.51389°N 78.39917°W﻿ / 40.51389; -78.39917﻿ (Haupt Truss Bridge) |
| PA-208 | Hares Hill Road Bridge | Extant | Bowstring arch truss | 1869 | 1991 | SR 1045 (Hares Hill Road) | French Creek | Kimberton | Chester | 40°08′28″N 75°34′04″W﻿ / ﻿40.14111°N 75.56778°W﻿ / 40.14111; -75.56778﻿ (Hares Hill Road Bridge) |
| PA-209 | Henszey's Wrought-Iron Arch Bridge | Relocated | Bowstring arch truss | 1869 | 1991 | SR 4036 (Kings Road) | Ontelaunee Creek | Lynn Township | Lehigh | 40°18′17″N 76°56′02″W﻿ / ﻿40.30472°N 76.93389°W﻿ / 40.30472; -76.93389﻿ (Henszey's Wrought-Iron Arch Bridge) |
| PA-210 | Scarlets Mill Bridge | Extant | Pratt truss | 1881 | 1991 | Horseshoe Trail | Philadelphia and Reading Railroad (former) | Scarlets Mill | Berks | 40°13′12″N 75°50′37″W﻿ / ﻿40.22000°N 75.84361°W﻿ / 40.22000; -75.84361﻿ (Scarlets Mill Bridge) |
| PA-211 | Rush's Mill Bridge | Extant | Howe truss | 1869 | 1991 | Union Canal trail | Plum Creek | Sinking Spring | Berks | 40°15′44″N 80°16′02″W﻿ / ﻿40.26222°N 80.26722°W﻿ / 40.26222; -80.26722﻿ (Rush's Mill Bridge) |
| PA-215 | Brevard Bridge | Replaced | Steel rolled stringer | 1913 | 1991 | Ullom Road | Westland Run | Export | Washington | 40°15′44″N 80°16′02″W﻿ / ﻿40.26222°N 80.26722°W﻿ / 40.26222; -80.26722﻿ (Brevard Bridge) |
| PA-217 | Coraopolis Bridge | Replaced | Pennsylvania truss | 1892 | 1990 | Grand Avenue | Ohio River back channel | Coraopolis | Allegheny | 40°30′58″N 80°09′07″W﻿ / ﻿40.51611°N 80.15194°W﻿ / 40.51611; -80.15194﻿ (Coraopolis Bridge) |
| PA-223 | York County Bridge No. 29 | Replaced | Stone arch | 1913 | 1991 | Norris Road | Orson Run | Airville | York | 39°47′19″N 76°23′54″W﻿ / ﻿39.78861°N 76.39833°W﻿ / 39.78861; -76.39833﻿ (York County Bridge No. 29) |
| PA-225 | Mercer County Bridge No. 2631 | Replaced | Pratt truss | 1894 | 1991 | Cribbs Road | Pine Run | Mercer | Mercer | 41°11′30″N 80°11′15″W﻿ / ﻿41.19167°N 80.18750°W﻿ / 41.19167; -80.18750﻿ (Mercer County Bridge No. 2631) |
| PA-233 | Fifficktown Bridge | Replaced | Warren truss | 1910 | 1987 | Oak Street | Little Conemaugh River | South Fork | Cambria | 40°22′11″N 78°47′09″W﻿ / ﻿40.36972°N 78.78583°W﻿ / 40.36972; -78.78583﻿ (Fifficktown Bridge) |
| PA-236 | Birmingham Bridge | Extant | Pratt truss | 1898 | 1987 | Irish Flat Road | Little Juniata River | Tyrone | Blair | 40°38′57″N 78°11′56″W﻿ / ﻿40.64917°N 78.19889°W﻿ / 40.64917; -78.19889﻿ (Birmingham Bridge) |
| PA-239 | Skew Arch Bridge, Spanning Incline No. 6 of Allegheny Portage Railroad | Extant | Stone arch | 1833 | 1987 | US 22 (former) | Incline No. 6 of Allegheny Portage Railroad | Cresson | Cambria | 40°27′11″N 78°32′34″W﻿ / ﻿40.45306°N 78.54278°W﻿ / 40.45306; -78.54278﻿ (Skew Arch Bridge, Spanning Incline No. 6) |
| PA-246 | Stone Creek Bridge I | Extant | Stone arch | 1850 | 1987 | Pennsylvania Railroad (former) | Standing Stone Creek | Huntingdon | Huntingdon | 40°28′53″N 78°00′15″W﻿ / ﻿40.48139°N 78.00417°W﻿ / 40.48139; -78.00417﻿ (Stone Creek Bridge I) |
| PA-247 | Stone Creek Bridge II | Extant | Stone arch | 1891 | 1987 | Pennsylvania Railroad (former) | Standing Stone Creek | Huntingdon | Huntingdon | 40°28′51″N 78°00′16″W﻿ / ﻿40.48083°N 78.00444°W﻿ / 40.48083; -78.00444﻿ (Stone Creek Bridge II) |
| PA-248 | Corbin Bridge | Extant | Suspension | 1937 | 1987 | Corbin Road | Raystown Branch Juniata River | Juniata Township | Huntingdon | 40°27′17″N 77°58′59″W﻿ / ﻿40.45472°N 77.98306°W﻿ / 40.45472; -77.98306﻿ (Corbin Bridge) |
| PA-262 | Ernest Mines Railroad Bridge | Demolished | Baltimore truss | | 1987 | Buffalo, Rochester and Pittsburgh Railway (former) | McKee Run | Ernest | Indiana | 40°40′27″N 79°10′38″W﻿ / ﻿40.67417°N 79.17722°W﻿ / 40.67417; -79.17722﻿ (Corbin Bridge) |
| PA-266 | Mahoning Creek Trestle | Extant | Trestle | 1899 | 1987 | Buffalo, Rochester and Pittsburgh Railway (former) | Mahoning Creek | West Mahoning Township | Indiana | 40°53′16″N 79°12′28″W﻿ / ﻿40.88778°N 79.20778°W﻿ / 40.88778; -79.20778﻿ (Mahoning Creek Trestle) |
| PA-267 | Pennsylvania Railroad, East Tunnel Viaduct | Extant | Stone arch | 1907 | 1987 | Pennsylvania Railroad (former) | Conemaugh River | Conemaugh Township | Indiana | 40°27′41″N 79°21′44″W﻿ / ﻿40.46139°N 79.36222°W﻿ / 40.46139; -79.36222﻿ (Pennsylvania Railroad, East Tunnel Viaduct) |
| PA-268 | Pennsylvania Railroad, West Tunnel Viaduct | Extant | Stone arch | 1907 | 1987 | Pennsylvania Railroad (former) | Conemaugh River | Conemaugh Township | Indiana | 40°27′42″N 79°22′03″W﻿ / ﻿40.46167°N 79.36750°W﻿ / 40.46167; -79.36750﻿ (Pennsylvania Railroad, West Tunnel Viaduct) |
| PA-275 | York County Bridge No. 101 | Replaced | Stone arch | 1915 | 1993 | TR 578 (Blymire Hollow Road) | Blymire Creek | Winterstown | York | 39°49′00″N 76°37′49″W﻿ / ﻿39.81667°N 76.63028°W﻿ / 39.81667; -76.63028﻿ (York County Bridge No. 101) |
| PA-276 | York County Bridge No. 149 | Replaced | Reinforced concrete closed-spandrel arch | 1913 | 1993 | TR 370 (Pentland Road) | East Branch Codorus Creek | Jefferson | York | 39°48′03″N 76°51′45″W﻿ / ﻿39.80083°N 76.86250°W﻿ / 39.80083; -76.86250﻿ (York County Bridge No. 149) |
| PA-277-A | Monongahela Connecting Railroad, Y Trestle | Demolished | Trestle | 1899 | 1993 | Monongahela Connecting Railroad (former) | Pittsburgh and Lake Erie Railroad | Pittsburgh | Allegheny | 40°25′35″N 79°57′43″W﻿ / ﻿40.42639°N 79.96194°W﻿ / 40.42639; -79.96194﻿ (Monongahela Connecting Railroad, Y Trestle) |
| PA-277-B | Monongahela Connecting Railroad, Main Bridge | Extant | Parker truss | 1904 | 1993 | South 29th Street | Monongahela River | Pittsburgh | Allegheny | 40°25′42″N 79°57′38″W﻿ / ﻿40.42833°N 79.96056°W﻿ / 40.42833; -79.96056﻿ (Monongahela Connecting Railroad, Main Bridge) |
| PA-277-C | Monongahela Connecting Railroad, Hot Metal Bridge | Extant | Parker truss | 1900 | 1993 | Great Allegheny Passage | Monongahela River | Pittsburgh | Allegheny | 40°25′42″N 79°57′39″W﻿ / ﻿40.42833°N 79.96083°W﻿ / 40.42833; -79.96083﻿ (Monongahela Connecting Railroad, Hot Metal Bridge) |
| PA-284 | Penns Creek Bridge | Replaced | Reinforced concrete closed-spandrel arch | 1874 | | SR 1014 (Mill Road) | Penns Creek | Monroe and Penn townships | Snyder | 40°49′31″N 76°52′22″W﻿ / ﻿40.82528°N 76.87278°W﻿ / 40.82528; -76.87278﻿ (Penns Creek Bridge) |
| PA-300 | Conrail Port Perry Bridge | Extant | Parker truss | 1904 | 1994 | Pennsylvania Railroad, Port Perry Branch (former) | Monongahela River | North Versailles Township and Duquesne | Allegheny | 40°23′14″N 79°51′05″W﻿ / ﻿40.38722°N 79.85139°W﻿ / 40.38722; -79.85139﻿ (Conrail Port Perry Bridge) |
| PA-307 | Core Creek County Bridge | Replaced | Stone arch | 1875 | 1993 | Silver Lake Road | Core Creek | Newtown | Bucks | 40°13′07″N 74°54′09″W﻿ / ﻿40.21861°N 74.90250°W﻿ / 40.21861; -74.90250﻿ (Core Creek County Bridge) |
| PA-308 | Montgomery County Bridge No. 221 | Replaced | Pratt truss | 1896 | 1993 | Metz Road | Towamencin Creek | Towamencin Township | Montgomery | 40°13′44″N 75°21′48″W﻿ / ﻿40.22889°N 75.36333°W﻿ / 40.22889; -75.36333﻿ (Montgomery County Bridge No. 221) |
| PA-309 | Gulph Creek Stone Arch Bridge | Extant | Stone arch | 1789 | 1994 | Old Gulph Road | Gulph Creek | King of Prussia | Montgomery | 40°03′42″N 75°20′29″W﻿ / ﻿40.06167°N 75.34139°W﻿ / 40.06167; -75.34139﻿ (Gulph Creek Stone Arch Bridge) |
| PA-310 | Perkiomen Stone Arch Bridge | Extant | Stone arch | 1799 | 1994 | Ridge Pike | Perkiomen Creek | Collegeville | Montgomery | 40°11′03″N 75°26′54″W﻿ / ﻿40.18417°N 75.44833°W﻿ / 40.18417; -75.44833﻿ (Perkiomen Stone Arch Bridge) |
| PA-311 | Skippack Stone Arch Bridge | Extant | Stone arch | 1792 | 1994 | Germantown Pike | Skippack Creek | Lower Providence Township | Montgomery | 40°10′49″N 75°25′18″W﻿ / ﻿40.18028°N 75.42167°W﻿ / 40.18028; -75.42167﻿ (Skippack Stone Arch Bridge) |
| PA-341 | Dubbs Bridge | Replaced | Stone arch | 1830 | 1994 | SR 2031 (Spinnerstown Road) | Hosensack Creek | Lower Milford Township | Lehigh | 40°28′15″N 75°28′00″W﻿ / ﻿40.47083°N 75.46667°W﻿ / 40.47083; -75.46667﻿ (Dubbs Bridge) |
| PA-342 | Market Street Bridge | Extant | Reinforced concrete open-spandrel arch | 1929 | 2001 | Market Street | Susquehanna River north branch | Wilkes-Barre | Luzerne | 41°14′58″N 75°53′07″W﻿ / ﻿41.24944°N 75.88528°W﻿ / 41.24944; -75.88528﻿ (Market Street Bridge) |
| PA-344 | Pennsylvania Railroad, Loyalhanna Creek Bridge | Extant | Stone arch | 1901 | 1991 | Pennsylvania Railroad (former) | Loyalhanna Creek | Latrobe | Westmoreland | 40°18′54″N 79°23′22″W﻿ / ﻿40.31500°N 79.38944°W﻿ / 40.31500; -79.38944﻿ (Pennsylvania Railroad, Loyalhanna Creek Bridge) |
| PA-350 | Felten's Mill Covered Bridge | Extant | Burr truss | 1892 | 1991 | TR 412 (former) | Loyalhanna Creek | East Providence Township | Bedford | 39°58′23″N 78°17′19″W﻿ / ﻿39.97306°N 78.28861°W﻿ / 39.97306; -78.28861﻿ (Felten's Mill Covered Bridge) |
| PA-352 | Jackson's Mill Covered Bridge | Extant | Burr truss | 1886 | 1991 | TR 412 | Brush Creek | East Providence Township | Bedford | 39°58′16″N 78°16′18″W﻿ / ﻿39.97111°N 78.27167°W﻿ / 39.97111; -78.27167﻿ (Jackson's Mill Covered Bridge) |
| PA-356 | Bedford County Bridge No. 4 | Extant | Pratt truss | 1889 | 1991 | TR 655 | Yellow Creek | Hopewell | Bedford | 40°08′17″N 78°16′17″W﻿ / ﻿40.13806°N 78.27139°W﻿ / 40.13806; -78.27139﻿ (Bedford County Bridge No. 4) |
| PA-357 | Bedford County Bridge No. 32 | Replaced | Pratt truss | 1882 | 1991 | TR 350 (Schellsburg Street) | Wills Creek | Hyndman | Bedford | 39°49′29″N 78°43′23″W﻿ / ﻿39.82472°N 78.72306°W﻿ / 39.82472; -78.72306﻿ (Bedford County Bridge No. 32) |
| PA-358 | North Hyndman Bridge | Extant | Pratt truss | 1916 | 1991 | Baltimore and Ohio Railroad (former) | Wills Creek | Hyndman | Bedford | 39°49′27″N 78°43′15″W﻿ / ﻿39.82417°N 78.72083°W﻿ / 39.82417; -78.72083﻿ (North Hyndman Bridge) |
| PA-361 | Raystown Covered Bridge | Extant | Burr truss | 1892 | 1991 | TR 418 | Raystown Branch Juniata River | Manns Choice | Bedford | 40°00′34″N 78°38′55″W﻿ / ﻿40.00944°N 78.64861°W﻿ / 40.00944; -78.64861﻿ (Raystown Covered Bridge) |
| PA-371 | Salisbury Junction Viaduct | Extant | Viaduct | 1911 | 1992 | Western Maryland Railway (former) | Casselman River and US 219 | Meyersdale | Somerset | 39°50′03″N 79°02′44″W﻿ / ﻿39.83417°N 79.04556°W﻿ / 39.83417; -79.04556﻿ (Salisbury Junction Viaduct) |
| PA-373 | Wills Creek Bollman Bridge | Relocated | Warren truss | 1871 | 1991 | Great Allegheny Passage | Scratch Hill Road | Meyersdale | Somerset | 39°49′06″N 78°59′41″W﻿ / ﻿39.81833°N 78.99472°W﻿ / 39.81833; -78.99472﻿ (Wills Creek Bollman Bridge) |
| PA-383 | Bell Avenue Bridge | Replaced | Stone arch | 1880 | 1995 | Pittsburgh, Cincinnati, Chicago and St. Louis Railroad (former) | Bell Avenue | Carnegie | Allegheny | 40°24′55″N 80°05′00″W﻿ / ﻿40.41528°N 80.08333°W﻿ / 40.41528; -80.08333﻿ (Bell Avenue Bridge) |
| PA-388 | Oakland Avenue Viaduct | Replaced | Reinforced concrete open-spandrel arch | 1936 | 1995 | South Oakland Avenue | US 62 and Pine Run | Sharon | Mercer | 41°13′52″N 80°29′58″W﻿ / ﻿41.23111°N 80.49944°W﻿ / 41.23111; -80.49944﻿ (Oakland Avenue Viaduct) |
| PA-402 | Runk Bridge | Extant | Pratt truss | 1898 | 1986 | Aughwick Creek Road | Aughwick Creek | Shirleysburg | Huntingdon | 40°16′40″N 77°53′14″W﻿ / ﻿40.27778°N 77.88722°W﻿ / 40.27778; -77.88722﻿ (Runk Bridge) |
| PA-403 | Augwick Creek Bridge | Abandoned | Reinforced concrete closed-spandrel arch | | 1986 | East Broad Top Railroad (former) | Aughwick Creek | Shirley Township | Huntingdon | 40°20′06″N 77°51′37″W﻿ / ﻿40.33500°N 77.86028°W﻿ / 40.33500; -77.86028﻿ (Aughwick Creek Bridge) |
| PA-406 | Horner Street Bridge | Replaced | Reinforced concrete through arch | 1917 | 1992 | Horner Street | Stonycreek River | Johnstown | Cambria | 40°18′19″N 78°54′41″W﻿ / ﻿40.30528°N 78.91139°W﻿ / 40.30528; -78.91139﻿ (Horner Street Bridge) |
| PA-407 | Ackerly Creek Bridge | Replaced | Reinforced concrete closed-spandrel arch | 1904 | 1995 | SR 4011 (South Turnpike Road) | Ackerly Creek | Dalton | Lackawanna | 41°31′44″N 75°44′07″W﻿ / ﻿41.52889°N 75.73528°W﻿ / 41.52889; -75.73528﻿ (Ackerly Creek Bridge) |
| PA-408 | Centennial Bridge | Demolished | Stone arch | 1876 | 1996 | SR 2030 (Station Avenue) | Laurel Run (Saucon Creek) | Center Valley | Lehigh | 40°31′43″N 75°23′30″W﻿ / ﻿40.52861°N 75.39167°W﻿ / 40.52861; -75.39167﻿ (Centennial Bridge) |
| PA-412 | Walnut Street Bridge | Extant (partial) | Baltimore truss | 1890 | 1996 | SR 3034 (Walnut Street) | Susquehanna River | Harrisburg | Dauphin | 40°15′27″N 76°53′10″W﻿ / ﻿40.25750°N 76.88611°W﻿ / 40.25750; -76.88611﻿ (Walnut Street Bridge) |
| PA-415 | Chester County Bridge No. 225 | Replaced | Steel rolled stringer | 1907 | 1996 | Hopewell Road | Tweed Creek | Oxford | Chester | 39°46′45″N 76°01′04″W﻿ / ﻿39.77917°N 76.01778°W﻿ / 39.77917; -76.01778﻿ (Chester County Bridge No. 225) |
| PA-418 | Plunketts Creek Bridge No. 3 | Replaced | Stone arch | 1875 | 1996 | SR 1005 | Plunketts Creek | Plunketts Creek Township | Lycoming | 41°24′32″N 76°48′10″W﻿ / ﻿41.40889°N 76.80278°W﻿ / 41.40889; -76.80278﻿ (Plunketts Creek Bridge No. 3) |
| PA-419 | York County Bridge No. 150 | Replaced | Reinforced concrete closed-spandrel arch | 1915 | 1995 | TR 370 (Pentland Road) | Codorus Creek | Jefferson | York | 39°48′03″N 76°51′45″W﻿ / ﻿39.80083°N 76.86250°W﻿ / 39.80083; -76.86250﻿ (York County Bridge No. 150) |
| PA-421 | County Bridge No. 14 | Replaced | Baltimore truss | 1896 | 1997 | TR 493 (Spencer Road) | Tioga River | Mansfield | Tioga | 41°46′55″N 77°04′17″W﻿ / ﻿41.78194°N 77.07139°W﻿ / 41.78194; -77.07139﻿ (County Bridge No. 14) |
| PA-425 | Lynn Avenue Bridge | Replaced | Pennsylvania truss | 1928 | 1997 | Lynn Avenue | Philadelphia, Bethlehem and New England Railroad (former) | Bethlehem | Northampton | 40°36′39″N 75°20′58″W﻿ / ﻿40.61083°N 75.34944°W﻿ / 40.61083; -75.34944﻿ (Lynn Avenue Bridge) |
| PA-428 | Knight Bridge | Replaced | Pratt truss | 1893 | 1996 | TR 413 | Catawissa Creek | Mainville | Columbia | 40°57′48″N 76°22′21″W﻿ / ﻿40.96333°N 76.37250°W﻿ / 40.96333; -76.37250﻿ (Knight Bridge) |
| PA-431 | Mount Pocono Bridge | Replaced | Warren truss | 1922 | 1996 | Fairview Avenue | Delaware, Lackawanna and Western Railroad (former) | Mount Pocono | Monroe | 41°06′52″N 75°22′03″W﻿ / ﻿41.11444°N 75.36750°W﻿ / 41.11444; -75.36750﻿ (Mount Pocono Bridge) |
| PA-435 | Bridge over Little Pine Creek | Replaced | Reinforced concrete open-spandrel arch | 1915 | 1997 | SR 1026 | Little Pine Creek | Jonestown | Columbia | 41°09′08″N 76°17′42″W﻿ / ﻿41.15222°N 76.29500°W﻿ / 41.15222; -76.29500﻿ (Bridge over Little Pine Creek) |
| PA-443 | West Penn Bridge, Pennsylvania Railroad | Extant | Whipple truss | 1890 | 1997 | Three Rivers Heritage Trail | Allegheny River back channel | Pittsburgh | Allegheny | 40°27′37″N 79°58′54″W﻿ / ﻿40.46028°N 79.98167°W﻿ / 40.46028; -79.98167﻿ (West Penn Bridge, Pennsylvania Railroad) |
| PA-444 | Castle Garden Bridge | Replaced | Pratt truss | 1901 | 1994 | TR 343 | Sinnemahoning Creek | Driftwood | Cameron | 41°20′01″N 78°08′09″W﻿ / ﻿41.33361°N 78.13583°W﻿ / 41.33361; -78.13583﻿ (Castle Garden Bridge) |
| PA-445 | McKee's Rocks Bridge | Extant | Steel arch | 1931 | 1997 | SR 3014 (Chartiers Avenue) | Ohio River | McKees Rocks and Pittsburgh | Allegheny | 40°28′37″N 80°02′56″W﻿ / ﻿40.47694°N 80.04889°W﻿ / 40.47694; -80.04889﻿ (McKee's Rocks Bridge) |
| PA-446 | George Westinghouse Bridge | Extant | Reinforced concrete open-spandrel arch | 1932 | 1997 | US 30 (Lincoln Highway) | Turtle Creek | East Pittsburgh and North Versailles Township | Allegheny | 40°23′38″N 79°50′16″W﻿ / ﻿40.39389°N 79.83778°W﻿ / 40.39389; -79.83778﻿ (George Westinghouse Bridge) |
| PA-447 | Washington Crossing Bridge | Extant | Steel arch | 1924 | 1997 | SR 2124 (40th Street) | Allegheny River | Pittsburgh and Millvale | Allegheny | 40°28′22″N 79°58′07″W﻿ / ﻿40.47278°N 79.96861°W﻿ / 40.47278; -79.96861﻿ (Washington Crossing Bridge) |
| PA-448 | Liberty Bridge | Extant | Cantilever | 1928 | 1997 | SR 3069 | Monongahela River | Pittsburgh | Allegheny | 40°25′58″N 79°59′48″W﻿ / ﻿40.43278°N 79.99667°W﻿ / 40.43278; -79.99667﻿ (Liberty Bridge) |
| PA-449 | Narrows Bridge | Extant | Reinforced concrete open-spandrel arch | 1935 | 1997 | US 30 (Lincoln Highway) | Raystown Branch Juniata River | Snake Spring Township | Bedford | 40°00′52″N 78°28′19″W﻿ / ﻿40.01444°N 78.47194°W﻿ / 40.01444; -78.47194﻿ (Narrows Bridge) |
| PA-450 | S Bridge | Replaced | Stone arch | 1919 | 1997 | SR 3061 | Tulpehocken Creek | Womelsdorf | Berks | 40°22′24″N 76°13′6″W﻿ / ﻿40.37333°N 76.21833°W﻿ / 40.37333; -76.21833﻿ (S Bridge) |
| PA-451 | Campbell's Bridge | Replaced | Reinforced concrete closed-spandrel arch | 1907 | 1997 | SR 4027 (Allentown Road) | Unami Creek | Milford Square | Bucks | 40°25′42″N 75°23′48″W﻿ / ﻿40.42833°N 75.39667°W﻿ / 40.42833; -75.39667﻿ (Campbell's Bridge) |
| PA-452 | Allegheny Portage Railroad, Lilly Culvert | Extant | Stone arch | 1832 | 1997 | PA 53 | Burgoon Run | Lilly | Cambria | 40°25′26″N 78°37′8″W﻿ / ﻿40.42389°N 78.61889°W﻿ / 40.42389; -78.61889﻿ (Lilly Culvert) |
| PA-453 | Allegheny Portage Railroad, Bens Creek Culvert | Extant | Stone arch | 1832 | 1997 | PA 53 | Bens Creek | Portage Township | Cambria | 40°24′8″N 78°38′24″W﻿ / ﻿40.40222°N 78.64000°W﻿ / 40.40222; -78.64000﻿ (Bens Creek Culvert) |
| PA-454 | Inclined Plane Bridge | Extant | Pennsylvania truss | 1890 | 1997 | SR 3022 spur | Stonycreek River | Johnstown | Cambria | 40°19′33″N 78°55′33″W﻿ / ﻿40.32583°N 78.92583°W﻿ / 40.32583; -78.92583﻿ (Inclined Plane Bridge) |
| PA-455 | Market Street Bridge | Extant | Reinforced concrete closed-spandrel arch | 1928 | 1997 | SR 3012 (Market Street) | East channel of Susquehanna River | Harrisburg | Dauphin | 40°15′24″N 76°53′5″W﻿ / ﻿40.25667°N 76.88472°W﻿ / 40.25667; -76.88472﻿ (Market Street Bridge) |
| PA-456 | Soldiers' and Sailors' Memorial Bridge | Extant | Reinforced concrete closed-spandrel arch | 1930 | 1997 | SR 3014 (State Street) | Paxton Creek and PA 230 (Cameron Street) | Harrisburg | Dauphin | 40°16′0″N 76°52′42″W﻿ / ﻿40.26667°N 76.87833°W﻿ / 40.26667; -76.87833﻿ (Soldiers' and Sailors' Memorial Bridge) |
| PA-457 | Maclay's Mill Twin Bridge (East and West) | Extant | Stone arch | 1827 | 1997 | SR 4018 (Maclay's Mill Road) | Conodoguinet Creek and mill race | Lurgan and Southampton townships | Franklin | 40°5′49″N 77°34′13″W﻿ / ﻿40.09694°N 77.57028°W﻿ / 40.09694; -77.57028﻿ (Maclay's Mill Twin Bridge) |
| PA-458 | McConnell's Mill Bridge | Extant | Howe truss | 1875 | 1997 | TR 415 (McConnell's Mill Road) | Slippery Rock Creek | Slippery Rock Township | Lawrence | 40°57′10″N 80°10′13″W﻿ / ﻿40.95278°N 80.17028°W﻿ / 40.95278; -80.17028﻿ (McConnell's Mill Bridge) |
| PA-459 | South Eighth Street Viaduct | Extant | Reinforced concrete open-spandrel arch | 1913 | 1997 | SR 2055 (Eighth Street) | Little Lehigh Creek | Allentown | Lehigh | 40°35′47″N 75°28′16″W﻿ / ﻿40.59639°N 75.47111°W﻿ / 40.59639; -75.47111﻿ (South Eighth Street Viaduct) |
| PA-460 | Upper Bridge at Slate Run | Extant | Lattice truss | 1890 | 1997 | PA 414 | Pine Creek | Brown Township | Lycoming | 41°29′11″N 77°29′50″W﻿ / ﻿41.48639°N 77.49722°W﻿ / 41.48639; -77.49722﻿ (Upper Bridge at Slate Run) |
| PA-461 | Lower Bridge at English Center | Extant | Suspension | 1891 | 1999 | SR 4001 | Pine Creek | English Center | Lycoming | 41°26′05″N 77°17′21″W﻿ / ﻿41.43472°N 77.28917°W﻿ / 41.43472; -77.28917﻿ (Lower Bridge at English Center) |
| PA-462 | Waterville Bridge | Relocated | Lenticular truss | 1891 | 1997 | Appalachian Trail | Swatara Creek | Green Point | Lebanon | 40°28′49″N 76°31′55″W﻿ / ﻿40.48028°N 76.53194°W﻿ / 40.48028; -76.53194﻿ (Waterville Bridge) |
| PA-463 | Brick Arch Culvert over Master Street | Extant | Brick arch | 1902 | 1997 | US 13 (Thirty-third Street) | Master Street | Philadelphia | Philadelphia | 39°58′42″N 75°11′22″W﻿ / ﻿39.97833°N 75.18944°W﻿ / 39.97833; -75.18944﻿ (Brick Arch Culvert over Master Street) |
| PA-464 | Henry Avenue Bridge | Extant | Reinforced concrete open-spandrel arch | 1931 | 1997 | SR 4001 (Henry Avenue) | Wissahickon Creek and Lincoln Drive | Philadelphia | Philadelphia | 40°01′27″N 75°11′46″W﻿ / ﻿40.02417°N 75.19611°W﻿ / 40.02417; -75.19611﻿ (Henry Avenue Bridge) |
| PA-465 | Pennypack Creek Bridge | Extant | Stone arch | 1697 | 1997 | US 13 (Frankford Avenue) | Pennypack Creek | Philadelphia | Philadelphia | 40°03′53″N 74°58′53″W﻿ / ﻿40.06472°N 74.98139°W﻿ / 40.06472; -74.98139﻿ (Pennypack Creek Bridge) |
| PA-466 | Pithole Stone Arch Bridge | Extant | Stone arch | 1898 | 1997 | SR 1004 (Eagle Rock Road) | Pithole Creek | Pithole | Venango | 41°29′13″N 79°35′43″W﻿ / ﻿41.48694°N 79.59528°W﻿ / 41.48694; -79.59528﻿ (Pithole Stone Arch Bridge) |
| PA-467 | Charleroi–Monessen Bridge | Demolished | Pennsylvania truss | 1907 | 1997 | SR 2018 | Monongahela River | North Charleroi and Monessen | Washington and Westmoreland | 40°09′06″N 79°54′15″W﻿ / ﻿40.15167°N 79.90417°W﻿ / 40.15167; -79.90417﻿ (Charlero–Monessen Bridge) |
| PA-468 | Nicholson Township Lenticular Bridge | Extant | Lenticular truss | 1881 | 1997 | SR 1029 | Tunkhannock Creek | Nicholson Township | Wyoming | 41°36′17″N 75°49′22″W﻿ / ﻿41.60472°N 75.82278°W﻿ / 41.60472; -75.82278﻿ (Nicholson Township Lenticular Bridge) |
| PA-469 | Kralltown Road Bridge | Replaced | Pratt truss | 1884 | 1997 | SR 4017 (Kralltown Road) | Bermudian Creek | Kralltown | York | 40°00′31″N 76°57′46″W﻿ / ﻿40.00861°N 76.96278°W﻿ / 40.00861; -76.96278﻿ (Kralltown Road Bridge) |
| PA-470 | Kellams Bridge | Extant | Suspension | 1890 | 1997 | SR 1018 (Kellam Bridge Road) | Delaware River | Stalker, Pennsylvania, and Hankins, New York | Wayne County, Pennsylvania, and Sullivan County, New York | 41°49′24″N 75°06′49″W﻿ / ﻿41.82333°N 75.11361°W﻿ / 41.82333; -75.11361﻿ (Kellams Bridge) |
| PA-471 | Frankford Avenue Bridge over Poquessing Creek | Extant | Reinforced concrete closed-spandrel arch | 1904 | 1997 | US 13 (Frankford Avenue) | Poquessing Creek | Philadelphia | Philadelphia | 40°03′54″N 74°58′52″W﻿ / ﻿40.06500°N 74.98111°W﻿ / 40.06500; -74.98111﻿ (Frankford Avenue Bridge over Poquessing Creek) |
| PA-472 | Old Brownsville Bridge | Extant | Pennsylvania truss | 1914 | 1997 | SR 2067 | Monongahela River | Brownsville and West Brownsville | Fayette and Washington | 40°01′21″N 80°09′45″W﻿ / ﻿40.02250°N 80.16250°W﻿ / 40.02250; -80.16250﻿ (Old Brownsville Bridge) |
| PA-473 | Columbia–Wrightsville Bridge | Extant | Reinforced concrete open-spandrel arch | 1930 | 1997 | PA 462 (Lincoln Highway) | Susquehanna River | Columbia and Wrightsville | Lancaster and York | 40°01′44″N 76°31′01″W﻿ / ﻿40.02889°N 76.51694°W﻿ / 40.02889; -76.51694﻿ (Columbia–Wrightsville Bridge) |
| PA-474 | Coverts Crossing Bridge | Replaced | Cantilever | 1887 | 1997 | TR 372 (Covert Road) | Mahoning River | New Castle | Lawrence | 40°59′49″N 80°24′51″W﻿ / ﻿40.99694°N 80.41417°W﻿ / 40.99694; -80.41417﻿ (Coverts Crossing Bridge) |
| PA-477 | Fayette County Bridge No. 103 | Replaced | Pratt truss | 1903 | 1998 | TR 364 | Jacobs Creek | Masontown | Fayette | |
| PA-478 | Structural Study of Pennsylvania Historic Bridges | | | | 1997 | Structural analyses of Campbell's Bridge, Upper Bridge at Slate Run, and Frankford Avenue Bridge over Poquessing Creek | | Harrisburg | Dauphin | |
| PA-479 | Breslau Bridge | Demolished | Parker truss | 1914 | 1998 | Hanover Street | North Branch Susquehanna River | Plymouth | Luzerne | 41°14′15″N 75°56′37″W﻿ / ﻿41.23750°N 75.94361°W﻿ / 41.23750; -75.94361﻿ (Breslau Bridge) |
| PA-480 | Parryville Bridge | Replaced | Steel rolled stringer | 1933 | 1998 | SR 2008 (Centre Street) | Pohopoco Creek | Parryville | Carbon | 40°49′03″N 75°40′22″W﻿ / ﻿40.81750°N 75.67278°W﻿ / 40.81750; -75.67278﻿ (Parryville Bridge) |
| PA-486 | Little Conewago Creek Bridge | Extant | Reinforced concrete closed-spandrel arch | 1919 | 1999 | US 30 (Lincoln Highway) | South Branch of Conewago Creek | New Oxford | Adams | 39°51′42″N 77°04′26″W﻿ / ﻿39.86167°N 77.07389°W﻿ / 39.86167; -77.07389﻿ (Little Conewago Creek Bridge) |
| PA-487 | Davis Avenue Bridge | Demolished | Cantilever | 1899 | 1999 | Davis Avenue | Woods Run Avenue | Pittsburgh | Allegheny | 40°28′54″N 80°01′32″W﻿ / ﻿40.48167°N 80.02556°W﻿ / 40.48167; -80.02556﻿ (Davis Avenue Bridge) |
| PA-488 | Larimer Avenue Bridge | Extant | Reinforced concrete open-spandrel arch | 1912 | 1999 | Larimer Avenue | PA 8 (Washington Boulevard) | Pittsburgh | Allegheny | 40°28′02″N 79°54′33″W﻿ / ﻿40.46722°N 79.90917°W﻿ / 40.46722; -79.90917﻿ (Larimer Avenue Bridge) |
| PA-489 | Schenley Park Bridge over Panther Hollow | Extant | Steel hinged arch | 1896 | 1999 | Panther Hollow Road | Panther Hollow | Pittsburgh | Allegheny | 40°26′13″N 79°56′48″W﻿ / ﻿40.43694°N 79.94667°W﻿ / 40.43694; -79.94667﻿ (Schenley Park Bridge over Panther Hollow) |
| PA-490-A | Three Sisters Bridges, Sixth Street Bridge | Extant | Suspension | 1928 | 1999 | Sixth Street | Allegheny River | Pittsburgh | Allegheny | 40°26′44″N 80°00′12″W﻿ / ﻿40.44556°N 80.00333°W﻿ / 40.44556; -80.00333﻿ (Sixth Street Bridge) |
| PA-490-B | Three Sisters Bridges, Seventh Street Bridge | Extant | Suspension | 1926 | 1999 | Seventh Street | Allegheny River | Pittsburgh | Allegheny | 40°26′46″N 80°00′05″W﻿ / ﻿40.44611°N 80.00139°W﻿ / 40.44611; -80.00139﻿ (Seventh Street Bridge) |
| PA-490-C | Three Sisters Bridges, Ninth Street Bridge | Extant | Suspension | 1926 | 1999 | Ninth Street | Allegheny River | Pittsburgh | Allegheny | 40°26′48″N 79°59′59″W﻿ / ﻿40.44667°N 79.99972°W﻿ / 40.44667; -79.99972﻿ (Ninth Street Bridge) |
| PA-491 | Pleasantville Covered Bridge | Extant | Burr truss | 1852 | 1999 | SR 1030 (Covered Bridge Road) | Manatawny Creek | Oley Township | Berks | 40°22′44″N 75°44′21″W﻿ / ﻿40.37889°N 75.73917°W﻿ / 40.37889; -75.73917﻿ (Pleasantville Covered Bridge) |
| PA-492 | Gay Street Bridge | Replaced | Reinforced concrete open-spandrel arch | 1926 | 1999 | PA 113 (Gay Street) | French Creek | Phoenixville | Chester | 40°08′07″N 75°31′07″W﻿ / ﻿40.13528°N 75.51861°W﻿ / 40.13528; -75.51861﻿ (Gay Street Bridge) |
| PA-493-B | Phoenix Iron Company, French Creek Bridge | Extant | Pratt truss | | 1999 | Schuylkill River Trail | French Creek | Phoenixville | Chester | 40°08′08″N 75°31′03″W﻿ / ﻿40.13556°N 75.51750°W﻿ / 40.13556; -75.51750﻿ (Phoenix Iron Company, French Creek Bridge) |
| PA-494 | Franklin Street Bridge | Extant | Stone arch | 1939 | 1999 | PA 8 (Franklin Street) | Oil Creek | Titusville | Crawford | 41°37′22″N 79°40′24″W﻿ / ﻿41.62278°N 79.67333°W﻿ / 41.62278; -79.67333﻿ (Franklin Street Bridge) |
| PA-495 | Pine Creek Bridge | Relocated | Bowstring arch truss | 1876 | 1999 | TR 993 (Messerall Road) | Pine Creek | Titusville | Crawford | 41°37′20″N 79°38′10″W﻿ / ﻿41.62222°N 79.63611°W﻿ / 41.62222; -79.63611﻿ (Pine Creek Bridge) |
| PA-496 | Wiconisco Canal Aqueduct No. 3 | Extant | Stone arch | 1840 | 1999 | PA 147 (River Road) | Powell Creek | Halifax | Dauphin | 40°24′35″N 76°59′03″W﻿ / ﻿40.40972°N 76.98417°W﻿ / 40.40972; -76.98417﻿ (Wiconisco Canal Aqueduct No. 3) |
| PA-497 | Mulberry Street Viaduct | Extant | Reinforced concrete girder | 1909 | 1999 | SR 3012 (Mulberry Street) | Paxton Creek and PA 230 (Cameron Street) | Harrisburg | Dauphin | 40°15′40″N 76°52′30″W﻿ / ﻿40.26111°N 76.87500°W﻿ / 40.26111; -76.87500﻿ (Mulberry Street Viaduct) |
| PA-498 | Harrison Avenue Bridge | Replaced | Reinforced concrete open-spandrel arch | 1922 | 1999 | SR 6011 (Harrison Avenue) | Roaring Brook | Scranton | Lackawanna | 41°24′00″N 75°39′05″W﻿ / ﻿41.40000°N 75.65139°W﻿ / 41.40000; -75.65139﻿ (Harrison Avenue Bridge) |
| PA-499 | Pond Creek Bridge | Extant | Stone arch | 1938 | 1999 | SR 2016 (Bear Lake Road) | Pond Creek | Thornhurst | Lackawanna | 41°13′01″N 75°37′07″W﻿ / ﻿41.21694°N 75.61861°W﻿ / 41.21694; -75.61861﻿ (Pond Creek Bridge) |
| PA-500 | Big Conestoga Creek Bridge No. 12 | Replaced | Reinforced concrete cantilever | 1917 | 1999 | SR 1010 (Farmersville Road) | Conestoga River | Brownstown | Lancaster | 40°07′40″N 76°11′59″W﻿ / ﻿40.12778°N 76.19972°W﻿ / 40.12778; -76.19972﻿ (Big Conestoga Creek Bridge No. 12) |
| PA-501 | Mill Creek Bridge | Extant | Stone arch | 1885 | 1999 | SR 2004 (River Street) | Mill Creek | Wilkes-Barre | Luzerne | 41°15′37″N 75°52′03″W﻿ / ﻿41.26028°N 75.86750°W﻿ / 41.26028; -75.86750﻿ (Mill Creek Bridge) |
| PA-502 | Northampton Street Bridge | Extant | Cantilever | 1896 | 1999 | Northampton Street | Delaware River | Easton, Pennsylvania, and Phillipsburg, New Jersey | Northampton County, Pennsylvania, and Warren County, New Jersey | 40°41′29″N 75°12′14″W﻿ / ﻿40.69139°N 75.20389°W﻿ / 40.69139; -75.20389﻿ (Northampton Street Bridge) |
| PA-503 | University Avenue Bridge | Extant | Simple trunnion bascule | 1933 | 1999 | SR 3003 (University Avenue) | Schuylkill River | Philadelphia | Philadelphia | 39°56′30″N 75°11′52″W﻿ / ﻿39.94167°N 75.19778°W﻿ / 39.94167; -75.19778﻿ (University Avenue Bridge) |
| PA-504 | Walnut Lane Bridge | Extant | Reinforced concrete open-spandrel arch | 1908 | 1999 | SR 4013 (Walnut Lane) | Wissahickon Creek | Philadelphia | Philadelphia | 40°01′56″N 75°11′59″W﻿ / ﻿40.03222°N 75.19972°W﻿ / 40.03222; -75.19972﻿ (Walnut Lane Bridge) |
| PA-508 | Bessemer and Lake Erie Railroad, Allegheny River Bridge | Extant | Baltimore truss | 1918 | 2000 | Bessemer and Lake Erie Railroad | Allegheny River | Oakmont | Allegheny | 40°32′15″N 79°49′15″W﻿ / ﻿40.53750°N 79.82083°W﻿ / 40.53750; -79.82083﻿ (Bessemer & Lake Erie Railroad Bridge) |
| PA-509 | Ohio Connecting Railway, Brunot's Island Bridge | Extant | Pennsylvania truss | 1890 | 2000 | Norfolk Southern Railway | Ohio River and Brunot Island | Pittsburgh | Allegheny | 40°27′46″N 80°02′34″W﻿ / ﻿40.46278°N 80.04278°W﻿ / 40.46278; -80.04278﻿ (Ohio Connecting Railroad Bridge) |
| PA-510 | Beaver Bridge | Extant | Cantilever | 1910 | 2000 | CSX Transportation | Ohio River | Beaver | Beaver | 40°41′34″N 80°17′27″W﻿ / ﻿40.69278°N 80.29083°W﻿ / 40.69278; -80.29083﻿ (Beaver Bridge) |
| PA-511 | Pittsburgh, Fort Wayne and Chicago Railway, Beaver River Bridge | Extant | Warren truss | 1926 | 2000 | Norfolk Southern Railway | Beaver River | New Brighton | Beaver | 40°44′23″N 80°19′10″W﻿ / ﻿40.73972°N 80.31944°W﻿ / 40.73972; -80.31944﻿ (Beaver River Bridge) |
| PA-512 | Morrisville–Trenton Railroad Bridge | Extant | Stone arch | 1903 | 2000 | Amtrak Northeast Corridor, etc. | Delaware River | Morrisville, Pennsylvania, and Trenton, New Jersey | Bucks County, Pennsylvania, and Mercer County, New Jersey | 40°12′30″N 74°46′02″W﻿ / ﻿40.20833°N 74.76722°W﻿ / 40.20833; -74.76722﻿ (Morrisville–Trenton Railroad Bridge) |
| PA-513 | West Trenton Railroad Bridge | Extant | Reinforced concrete closed-spandrel arch | 1913 | 2000 | SEPTA West Trenton Line | Delaware River | Yardley, Pennsylvania, and Ewing Township, New Jersey | Bucks County, Pennsylvania, and Mercer County, New Jersey | 40°14′30″N 74°49′27″W﻿ / ﻿40.24167°N 74.82417°W﻿ / 40.24167; -74.82417﻿ (West Trenton Railroad Bridge) |
| PA-517 | Stone Bridge (Johnstown, Pennsylvania) | Extant | Reinforced concrete closed-spandrel arch | 1888 | 2000 | Norfolk Southern Railway | Conemaugh River | Johnstown | Cambria | 40°19′57″N 78°55′30″W﻿ / ﻿40.33250°N 78.92500°W﻿ / 40.33250; -78.92500﻿ (Stone Bridge (Johnstown, Pennsylvania)) |
| PA-518 | Brandywine Valley Viaduct | Extant | Pratt truss | 1904 | 2000 | Pennsylvania Railroad Philadelphia and Thorndale Branch (former) | Brandywine River and US 322 | Downingtown | Chester | 39°59′42″N 75°41′57″W﻿ / ﻿39.99500°N 75.69917°W﻿ / 39.99500; -75.69917﻿ (Brandywine Valley Viaduct) |
| PA-519 | French Creek Trestle | Extant | Steel built-up girder | 1892 | 2000 | Pennsylvania Railroad Schuylkill Branch (former) | French Creek | Phoenixville | Chester | 40°08′04″N 75°31′35″W﻿ / ﻿40.13444°N 75.52639°W﻿ / 40.13444; -75.52639﻿ (French Creek Trestle) |
| PA-521 | Pickering Creek Trestle | Extant | Steel built-up girder | 1883 | 2000 | Pennsylvania Railroad Schuylkill Branch (former) | Pickering Creek and PA 29 | Pickering | Chester | 40°06′22″N 75°31′49″W﻿ / ﻿40.10611°N 75.53028°W﻿ / 40.10611; -75.53028﻿ (Pickering Creek Trestle) |
| PA-522 | Whitford Bridge | Extant | Parker truss | 1905 | 2000 | Pennsylvania Railroad Philadelphia and Thorndale Branch (former) | SEPTA Paoli/Thorndale Line | Whitford (Exton) | Chester | 40°00′53″N 75°38′19″W﻿ / ﻿40.01472°N 75.63861°W﻿ / 40.01472; -75.63861﻿ (Whitford Bridge) |
| PA-523 | Philadelphia and Reading Railroad, Susquehanna River Bridge | Extant | Reinforced concrete closed-spandrel arch | 1924 | 2000 | Norfolk Southern Railway | Susquehanna River | Harrisburg | Dauphin | 40°14′57″N 76°52′58″W﻿ / ﻿40.24917°N 76.88278°W﻿ / 40.24917; -76.88278﻿ (Philadelphia and Reading Railroad, Susquehanna River Bridge) |
| PA-524 | Rockville Bridge | Extant | Stone arch | 1902 | 2000 | Amtrak Keystone Service | Susquehanna River | Rockville | Dauphin | 40°20′00″N 76°54′37″W﻿ / ﻿40.33333°N 76.91028°W﻿ / 40.33333; -76.91028﻿ (Rockville Bridge) |
| PA-525 | Chester Creek Bridge | Extant | Swing span | 1907 | 2000 | Chester and Delaware River Railroad (former) | Chester Creek | Chester | Delaware | 39°50′38″N 75°21′34″W﻿ / ﻿39.84389°N 75.35944°W﻿ / 39.84389; -75.35944﻿ (Chester Creek Bridge) |
| PA-526 | Darby River Bridge | Extant | Multiple trunnion (Strauss) bascule | 1918 | 2000 | Philadelphia, Baltimore and Washington Railroad (former) | Darby Creek | Eddystone | Delaware | 39°51′54″N 75°18′48″W﻿ / ﻿39.86500°N 75.31333°W﻿ / 39.86500; -75.31333﻿ (Darby River Bridge) |
| PA-527 | Elk Creek Trestle | Extant | Trestle | 1902 | 2000 | New York, Chicago and St. Louis Railroad (former) | Elk Creek | Lake City | Erie | 42°00′13″N 80°20′56″W﻿ / ﻿42.00361°N 80.34889°W﻿ / 42.00361; -80.34889﻿ (Elk Creek Trestle) |
| PA-528 | New Geneva Bridge | Extant | Pennsylvania truss | 1913 | 2000 | Monongahela Railroad (former) | Monongahela River | Nicholson Township | Fayette and Greene | 39°46′52″N 79°56′05″W﻿ / ﻿39.78111°N 79.93472°W﻿ / 39.78111; -79.93472﻿ (New Geneva Bridge) |
| PA-529 | Mount Union Bridge | Extant | Stone arch | 1906 | 2000 | Pennsylvania Railroad (former) | Juniata River | Mount Union | Huntingdon and Mifflin | 40°23′02″N 77°52′24″W﻿ / ﻿40.38389°N 77.87333°W﻿ / 40.38389; -77.87333﻿ (Mount Union Bridge) |
| PA-530 | Conestoga Creek Viaduct | Extant | Stone arch | 1888 | 2000 | Amtrak Keystone Service | Conestoga River | Lancaster | Lancaster | 40°03′00″N 76°16′41″W﻿ / ﻿40.05000°N 76.27806°W﻿ / 40.05000; -76.27806﻿ (Conestoga Creek Viaduct) |
| PA-531 | Safe Harbor Trestle | Extant | Trestle | 1905 | 2000 | Atglen and Susquehanna Railroad (former) | Conestoga River | Safe Harbor | Lancaster | 39°55′31″N 76°23′03″W﻿ / ﻿39.92528°N 76.38417°W﻿ / 39.92528; -76.38417﻿ (Safe Harbor Trestle) |
| PA-532 | Beaver River Bridge | Extant | Pratt truss | 1897 | 2000 | Pittsburgh, Youngstown and Ashtabula Railroad (former) | Beaver River | Wampum | Lawrence | 40°53′15″N 80°20′03″W﻿ / ﻿40.88750°N 80.33417°W﻿ / 40.88750; -80.33417﻿ (Beaver River Bridge) |
| PA-533 | Allegheny River Bridge | Extant | Pratt truss | 1900 | 2000 | Western New York and Pennsylvania Railway (former) | Allegheny River | Eldred | McKean | 41°54′06″N 78°23′06″W﻿ / ﻿41.90167°N 78.38500°W﻿ / 41.90167; -78.38500﻿ (Allegheny River Bridge) |
| PA-534 | Granville Bridge | Extant | Stone arch | 1905 | 2000 | Pennsylvania Railroad (former) | Juniata River | Lewistown | Mifflin | 40°34′25″N 77°35′19″W﻿ / ﻿40.57361°N 77.58861°W﻿ / 40.57361; -77.58861﻿ (Mount Union Bridge) |
| PA-535 | Bridgeport Bridge | Extant | Warren truss | 1912 | 2000 | SEPTA Norristown High Speed Line | Schuylkill River | Bridgeport | Montgomery | 40°06′38″N 75°20′47″W﻿ / ﻿40.11056°N 75.34639°W﻿ / 40.11056; -75.34639﻿ (Bridgeport Bridge) |
| PA-536 | Mill Creek Bridge | Extant | Stone arch | 1863 | 2000 | Philadelphia and Reading Railroad (former) | Mill Creek | Gladwyne | Montgomery | 40°02′42″N 75°15′23″W﻿ / ﻿40.04500°N 75.25639°W﻿ / 40.04500; -75.25639﻿ (Mill Creek Bridge) |
| PA-537 | Manatawny Creek Bridge | Extant | Stone arch | 1847 | 2000 | Philadelphia and Reading Railroad (former) | Manatawny Creek | Pottstown | Montgomery | 40°14′46″N 75°39′25″W﻿ / ﻿40.24611°N 75.65694°W﻿ / 40.24611; -75.65694﻿ (Manatawny Creek Bridge) |
| PA-538 | Trenton Cutoff, Bridge No. 25 at Earnest | Extant | Warren truss | 1891 | 2000 | Norfolk Southern Railway | Schuylkill River | Swedesburg | Montgomery | 40°06′10″N 75°19′30″W﻿ / ﻿40.10278°N 75.32500°W﻿ / 40.10278; -75.32500﻿ (Trenton Cutoff, Bridge No. 25 at Earnest) |
| PA-540 | Lehigh River Bridge | Extant | Pratt truss | 1899 | 2000 | Easton and Northern Railroad (former) | Lehigh River | Easton | Northampton | 40°41′03″N 75°13′10″W﻿ / ﻿40.68417°N 75.21944°W﻿ / 40.68417; -75.21944﻿ (Lehigh River Bridge) |
| PA-541 | Delaware River Viaduct | Extant | Reinforced concrete open-spandrel arch | 1911 | 2000 | Delaware, Lackawanna and Western Railroad Lackawanna Cut-Off (former) | Delaware River | Portland, Pennsylvania, and Columbia, New Jersey | Northampton County, Pennsylvania, and Warren County, New Jersey | 40°56′15″N 75°06′21″W﻿ / ﻿40.93750°N 75.10583°W﻿ / 40.93750; -75.10583﻿ (Delaware River Viaduct) |
| PA-542 | Lehigh River Bridge at Easton | Extant | Pratt truss | 1899 | 2000 | Central Railroad of New Jersey (former) | Lehigh River | Easton | Northampton | 40°41′13″N 75°12′32″W﻿ / ﻿40.68694°N 75.20889°W﻿ / 40.68694; -75.20889﻿ (Lehigh River Bridge at Easton) |
| PA-543 | Lehigh Valley Railroad, Delaware River Bridge | Extant | Pratt truss | 1866 | 2000 | Lehigh Valley Railroad (former) | Delaware River | Easton, Pennsylvania, and Phillipsburg, New Jersey | Northampton County, Pennsylvania, and Warren County, New Jersey | 40°41′20″N 75°12′11″W﻿ / ﻿40.68889°N 75.20306°W﻿ / 40.68889; -75.20306﻿ (Lehigh Valley Railroad Bridge) |
| PA-544 | Martins Creek Bridge | Extant | Lattice truss | 1896 | 2000 | Bangor and Portland Railway (former) | Martins Creek | Martins Creek | Northampton | 40°46′40″N 75°10′33″W﻿ / ﻿40.77778°N 75.17583°W﻿ / 40.77778; -75.17583﻿ (Martins Creek Bridge) |
| PA-545 | Delair Bridge | Extant | Vertical-lift bridge | 1889 | 2000 | New Jersey Transit Atlantic City Line, etc. | Delaware River | Philadelphia, Pennsylvania, and Pennsauken Township, New Jersey | Philadelphia County, Pennsylvania, and Camden County, New Jersey | 39°58′57″N 75°04′09″W﻿ / ﻿39.98250°N 75.06917°W﻿ / 39.98250; -75.06917﻿ (Delair Bridge) |
| PA-546 | 52nd Street Bridge | Extant | Parker truss | 1902 | 2000 | SEPTA Cynwyd Line | SEPTA Paoli/Thorndale Line | Philadelphia | Philadelphia | 39°58′44″N 75°13′41″W﻿ / ﻿39.97889°N 75.22806°W﻿ / 39.97889; -75.22806﻿ (52nd Street Bridge) |
| PA-547 | Gray's Ferry Bridge | Replaced | Swing span | 1902 | 2000 | Philadelphia, Wilmington and Baltimore Railroad (former) | Schuylkill River | Philadelphia | Philadelphia | 39°56′28″N 75°12′18″W﻿ / ﻿39.94111°N 75.20500°W﻿ / 39.94111; -75.20500﻿ (Gray's Ferry Bridge) |
| PA-548 | Island Road Bridge | Extant | Reinforced concrete closed-spandrel arch | 1913 | 2000 | Philadelphia, Baltimore and Washington Railroad (former) | Island Road | Philadelphia | Philadelphia | 39°54′56″N 75°14′42″W﻿ / ﻿39.91556°N 75.24500°W﻿ / 39.91556; -75.24500﻿ (Island Road Bridge) |
| PA-549 | 25th Street Elevated | Extant | Steel built-up girder | 1928 | 2000 | CSX Harrisburg Subdivision | South 25th Street | Philadelphia | Philadelphia | 39°55′54″N 75°11′13″W﻿ / ﻿39.93167°N 75.18694°W﻿ / 39.93167; -75.18694﻿ (25th Street Elevated) |
| PA-550 | Connecting Railway, Reading Railroad Overpass | Extant | Brick arch | 1867 | 2000 | Amtrak Northeast Corridor, etc. | CSX Trenton Subdivision | Philadelphia | Philadelphia | 39°58′40″N 75°11′31″W﻿ / ﻿39.97778°N 75.19194°W﻿ / 39.97778; -75.19194﻿ (Connecting Railway, Reading Railroad Overpass) |
| PA-551 | Manayunk Bridge | Extant | Reinforced concrete open-spandrel arch | 1918 | 2000 | Cynwyd Line (former) | Schuylkill River and Schuylkill Expressway | Philadelphia | Philadelphia | 40°01′31″N 75°13′35″W﻿ / ﻿40.02528°N 75.22639°W﻿ / 40.02528; -75.22639﻿ (Manayunk Bridge) |
| PA-552 | Philadelphia and Reading Railroad, Mule Bridge | Extant | Lattice truss | 1889 | 2000 | Philadelphia and Reading Railroad, Venice Branch | Schuylkill River | Philadelphia | Philadelphia | 40°01′19″N 75°13′10″W﻿ / ﻿40.02194°N 75.21944°W﻿ / 40.02194; -75.21944﻿ (Mule Bridge) |
| PA-553 | Philadelphia and Reading Railroad, Bridge at West Falls | Extant | Stone arch | 1890 | 2000 | CSX Trenton Subdivision | Schuylkill River | Philadelphia | Philadelphia | 40°00′23″N 75°11′33″W﻿ / ﻿40.00639°N 75.19250°W﻿ / 40.00639; -75.19250﻿ (Bridge at West Falls) |
| PA-554 | Selinsgrove Bridge | Extant | Pratt truss | 1892 | 2000 | Norfolk Southern Railway | Susquehanna River | Selinsgrove | Snyder | 40°48′05″N 76°50′44″W﻿ / ﻿40.80139°N 76.84556°W﻿ / 40.80139; -76.84556﻿ (Selinsgrove Bridge) |
| PA-555 | Pennsylvania Railroad, Brilliant Cut-Off, South Wye | Extant | Stone arch | 1903 | 2000 | Pennsylvania Railroad (former) | Lincoln Avenue | Pittsburgh | Allegheny | 40°27′44″N 79°54′18″W﻿ / ﻿40.46222°N 79.90500°W﻿ / 40.46222; -79.90500﻿ (Brilliant Cutoff Viaduct of the Pennsylvania Railroad) |
| PA-556 | West Brownsville Junction Bridge | Extant | Pennsylvania truss | 1912 | 2000 | Pennsylvania Railroad (former) | Monongahela River | West Brownsville | Washington | 40°02′02″N 79°52′35″W﻿ / ﻿40.03389°N 79.87639°W﻿ / 40.03389; -79.87639﻿ (West Brownsville Junction Bridge) |
| PA-579 | Elk Park Road Bridge | Replaced | Parker truss | 1927 | 2001 | Elk Park Road | Elk Creek | Lake City | Erie | 42°00′23″N 80°21′12″W﻿ / ﻿42.00639°N 80.35333°W﻿ / 42.00639; -80.35333﻿ (Elk Park Road Bridge) |
| PA-580 | Fallston Bridge | Extant | Pratt truss | 1884 | 2001 | Front Street | Beaver River | Fallston | Beaver | 40°43′39″N 80°18′36″W﻿ / ﻿40.72750°N 80.31000°W﻿ / 40.72750; -80.31000﻿ (Fallston Bridge) |
| PA-586 | Pine Grove Bridge | Extant | Burr truss | 1884 | 2002 | Ashville Road and Forge Road | East Branch Octoraro Creek | Pine Grove and Oxford | Lancaster and Chester | 39°47′37″N 76°02′41″W﻿ / ﻿39.79361°N 76.04472°W﻿ / 39.79361; -76.04472﻿ (Pine Grove Bridge) |
| PA-587 | Dreibelbis Station Bridge | Extant | Burr truss | 1869 | 2002 | TR 745 (Balthaser Road) | Maiden Creek | Lenhartsville | Berks | 40°33′17″N 75°52′48″W﻿ / ﻿40.55472°N 75.88000°W﻿ / 40.55472; -75.88000﻿ (Dreibelbis Station Bridge) |
| PA-588 | Uhlerstown Bridge | Extant | Lattice truss | 1856 | 2002 | Uhlerstown Hill Road | Delaware Canal | Tinicum Township | Bucks | 40°31′32″N 75°04′23″W﻿ / ﻿40.52556°N 75.07306°W﻿ / 40.52556; -75.07306﻿ (Uhlerstown Bridge) |
| PA-589 | Weaverland Bridge | Extant | Reinforced concrete truss | 1916 | 2002 | TR 894 (Quarry Road) | Conestoga River | Weaverland | Lancaster | 40°08′16″N 76°03′34″W﻿ / ﻿40.13778°N 76.05944°W﻿ / 40.13778; -76.05944﻿ (Weaverland Bridge) |
| PA-590 | Mowersville Road Bridge | Demolished | Pratt truss | 1897 | 2002 | TR 644 (Mowersville Road) | Paxton Run | Mowersville | Franklin | 40°06′56″N 77°35′04″W﻿ / ﻿40.11556°N 77.58444°W﻿ / 40.11556; -77.58444﻿ (Mowersville Road Bridge) |
| PA-591 | Yeakle Mill Bridge | Extant | Pratt truss | 1888 | 2002 | SR 3026 (Mill Road) | Little Cove Creek | Warren Township | Franklin | 39°44′03″N 78°02′11″W﻿ / ﻿39.73417°N 78.03639°W﻿ / 39.73417; -78.03639﻿ (Yeakle Mill Bridge) |
| PA-612 | South High Street Bridge | Extant | Lenticular truss | 1889 | 2003 | South High Street | Little Juniata River | Duncannon | Perry | 40°23′23″N 77°01′55″W﻿ / ﻿40.38972°N 77.03194°W﻿ / 40.38972; -77.03194﻿ (South High Street Bridge) |
| PA-613 | Ross Fording Bridge | Extant | Pratt truss | 1885 | 2003 | SR 3052 (Ross Fording Road) | Octoraro Creek | Sadsburyville | Chester | 39°52′58″N 75°59′30″W﻿ / ﻿39.88278°N 75.99167°W﻿ / 39.88278; -75.99167﻿ (Ross Fording Bridge) |
| PA-614 | Pine Creek Bridge | Extant | Lenticular truss | 1889 | 2003 | SR 3003 (River Road) | Pine Creek | Jersey Shore | Lycoming | 41°10′51″N 77°16′44″W﻿ / ﻿41.18083°N 77.27889°W﻿ / 41.18083; -77.27889﻿ (Pine Creek Bridge) |
| PA-615 | Slates' Mill Bridge | Replaced | Pratt truss | 1885 | 2003 | TR 439 | South Branch Tunkhannock Creek | Benton Township | Lackawanna | 41°33′29″N 75°43′08″W﻿ / ﻿41.55806°N 75.71889°W﻿ / 41.55806; -75.71889﻿ (Slates' Mill Bridge) |
| PA-616 | Peevy Road Bridge | Extant | Pratt truss | 1880 | 2003 | Peevy Road | Perkiomen Creek | East Greenville | Montgomery | 40°24′52″N 75°31′26″W﻿ / ﻿40.41444°N 75.52389°W﻿ / 40.41444; -75.52389﻿ (Peevy Road Bridge) |
| PA-617 | Canal Road Bridge | Extant | Reinforced concrete closed-spandrel arch | 1900 | 2003 | Canal Road | Delaware Division Canal | Williams Township | Northampton | 40°38′10″N 75°11′34″W﻿ / ﻿40.63611°N 75.19278°W﻿ / 40.63611; -75.19278﻿ (Canal Road Bridge) |
| PA-618 | Johnston Street Bridge | Extant | Warren truss | 1890 | 2003 | Johnston Street | Salt Lick Creek | New Milford | Susquehanna | 41°52′51″N 75°43′49″W﻿ / ﻿41.88083°N 75.73028°W﻿ / 41.88083; -75.73028﻿ (Johnston Street Bridge) |
| PA-619 | Morris Run Bridge | Replaced | Reinforced concrete girder | 1908 | 2003 | TR 417 (Rickerts Road) | Little Juniata River | Hilltown Township | Bucks | 40°22′1″N 75°13′13″W﻿ / ﻿40.36694°N 75.22028°W﻿ / 40.36694; -75.22028﻿ (Morris Run Bridge) |
| PA-620 | River Road Bridge | Replaced | Pratt truss | 1898 | 2003 | River Road | Spring Creek | Spring Creek Township | Elk | 41°24′02″N 78°55′58″W﻿ / ﻿41.40056°N 78.93278°W﻿ / 41.40056; -78.93278﻿ (River Road Bridge) |
| PA-622 | Kidd's Mill Bridge | Extant | Smith truss | 1868 | 2003 | TR 653 (Kidd's Mill Road) | Shenango River | Greenville | Mercer | 41°21′13″N 80°23′52″W﻿ / ﻿41.35361°N 80.39778°W﻿ / 41.35361; -80.39778﻿ (Kidd's Mill Bridge) |
| PA-623 | Mean's Ford Bridge | Extant | Howe truss | 1869 | 2003 | Stump Road | Tohickon Creek | Ralph Stover State Park | Bucks | 40°26′06″N 75°05′50″W﻿ / ﻿40.43500°N 75.09722°W﻿ / 40.43500; -75.09722﻿ (Mean's Ford Bridge) |
| PA-624 | Academia Bridge | Extant | Burr truss | 1902 | 2003 | TR 334 (Mill Hill Road) (former) | Tuscarora Creek | Spruce Hill and Beale townships | Juniata | 40°29′37″N 77°28′21″W﻿ / ﻿40.49361°N 77.47250°W﻿ / 40.49361; -77.47250﻿ (Academia Bridge) |
| PA-625 | Six Penny Bridge | Extant | Reinforced concrete closed-spandrel arch | 1907 | 2003 | School Street | Sixpenny Creek | Union Township | Berks | 40°15′27″N 75°46′13″W﻿ / ﻿40.25750°N 75.77028°W﻿ / 40.25750; -75.77028﻿ (Six Penny Bridge) |
| PA-626 | Williams Road Bridge | Extant | Pratt truss | 1912 | 2003 | TR 627 (Williams Road) | Sugar Creek Middle Branch | Plum Township | Venango | 41°34′16″N 79°51′38″W﻿ / ﻿41.57111°N 79.86056°W﻿ / 41.57111; -79.86056﻿ (Williams Road Bridge) |
| PA-627 | Center Street Bridge | Extant | Pratt truss | 1896 | 2003 | Center Street | Conneaut Creek | Conneautville | Crawford | 41°45′23″N 80°22′15″W﻿ / ﻿41.75639°N 80.37083°W﻿ / 41.75639; -80.37083﻿ (Center Street Bridge) |
| PA-628 | Monastery Road Bridge | Replaced | Warren truss | 1896 | 2003 | Monastery Road | Pennsylvania Railroad (former) | Lloydsville | Westmoreland | 40°18′18″N 79°24′15″W﻿ / ﻿40.30500°N 79.40417°W﻿ / 40.30500; -79.40417﻿ (Monastery Road Bridge) |
| PA-629 | Keggereis Ford Bridge | Extant | Reinforced concrete closed-spandrel arch | 1907 | 2003 | SR 4006 (Stone Bridge Road) | West Branch Conococheague Creek | Metal Township | Franklin | 40°07′16″N 77°46′39″W﻿ / ﻿40.12111°N 77.77750°W﻿ / 40.12111; -77.77750﻿ (Keggereis Ford Bridge) |
| PA-630 | Big Chickies Bridge | Extant | Reinforced concrete truss | 1916 | 2003 | Auction Road | Chiques Creek | Lancaster Junction | Lancaster | 40°7′51″N 76°24′21″W﻿ / ﻿40.13083°N 76.40583°W﻿ / 40.13083; -76.40583﻿ (Big Chickies Bridge) |
| PA-631 | Roaring Creek Bridge | Extant | Reinforced concrete closed-spandrel arch | 1913 | 2003 | SR 2005 | Roaring Creek | Slabtown Junction | Columbia | 40°54′27″N 76°24′44″W﻿ / ﻿40.90750°N 76.41222°W﻿ / 40.90750; -76.41222﻿ (Roaring Creek Bridge) |
| PA-633 | Seitzville Road Bridge | Extant | Reinforced concrete closed-spandrel arch | 1910 | 2003 | Seitzville Road | South Branch Codorus Creek | Seven Valleys | York | 39°49′46″N 76°45′40″W﻿ / ﻿39.82944°N 76.76111°W﻿ / 39.82944; -76.76111﻿ (Seitzville Road Bridge) |
| PA-638 | King's Bridge | Extant | Burr truss | 1806 | 2005 | PA 653 (former) | Laurel Hill Creek | Middlecreek Township | Somerset | 39°56′15″N 79°16′17″W﻿ / ﻿39.93750°N 79.27139°W﻿ / 39.93750; -79.27139﻿ (King's Bridge) |
| PA-645 | Structural Study of Smith Trusses | | Smith truss | | 2012 | Structural analyses of Kidd's Mill Bridge et al. | | Greenville | Mercer | |