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

This is a list of bridges documented by the Historic American Engineering Record in the U.S. state of New Hampshire.

## Bridges

| Survey No. | Name (as assigned by HAER) | Status | Type | Built | Documented | Carries | Crosses | Location | County | Coordinates |
| NH-6 | Bellows Falls Arch Bridge | Replaced | Steel arch | 1905 | 1979 | | Connecticut River | North Walpole, New Hampshire, and Bellows Falls, Vermont | Cheshire County, New Hampshire, and Windham County, Vermont | 43°08′17″N 72°26′54″W﻿ / ﻿43.13806°N 72.44833°W﻿ / 43.13806; -72.44833﻿ (Bellows Falls Arch Bridge) |
| NH-8 | Cornish–Windsor Covered Bridge | Extant | Town lattice truss | 1866 | 1984 | | Connecticut River | Cornish, New Hampshire, and Windsor, Vermont | Sullivan County, New Hampshire, and Windsor County, Vermont | 43°28′26″N 72°23′02″W﻿ / ﻿43.47389°N 72.38389°W﻿ / 43.47389; -72.38389﻿ (Cornish-Windsor Covered Bridge) |
| NH-9 | Cohas Brook Bridge | Replaced | Reinforced concrete open-spandrel arch | 1929 | 1984 | NH 28 (South Willow Street) | Cohas Brook | Manchester | Hillsborough | 42°56′49″N 71°26′00″W﻿ / ﻿42.94694°N 71.43333°W﻿ / 42.94694; -71.43333﻿ (Cohas Brook Bridge) |
| NH-10 | Osgood Bridge | Replaced | Warren truss | 1899 | 1986 | Perch Pond Road | Beebe River | Campton Station | Grafton | 43°49′17″N 71°37′54″W﻿ / ﻿43.82139°N 71.63167°W﻿ / 43.82139; -71.63167﻿ (Osgood Bridge) |
| NH-13 | Walpole–Westminster Bridge | Replaced | Steel built-up girder | 1911 | 1988 | NH 123 / VT 123 | Connecticut River | Walpole, New Hampshire, and Westminster, Vermont | Cheshire County, New Hampshire, and Windham County, Vermont | 43°05′04″N 72°26′00″W﻿ / ﻿43.08444°N 72.43333°W﻿ / 43.08444; -72.43333﻿ (Walpole-Westminster Bridge) |
| NH-14 | Notre Dame Bridge | Replaced | Steel arch | 1937 | 1988 | Bridge Street | Merrimack River | Manchester | Hillsborough | 42°59′39″N 71°28′10″W﻿ / ﻿42.99417°N 71.46944°W﻿ / 42.99417; -71.46944﻿ (Notre Dame Bridge) |
| NH-15 | Durham Falls Bridge | Replaced | Steel rolled multi-beam | 1907 | 1988 | NH 108 | Oyster River | Durham | Strafford | 43°07′51″N 70°55′06″W﻿ / ﻿43.13083°N 70.91833°W﻿ / 43.13083; -70.91833﻿ (Durham Falls Bridge) |
| NH-16 | Prescott Bridge | Replaced | Steel rolled multi-beam | 1917 | 1989 | Prescott Road | Lamprey River | Raymond | Rockingham | 43°01′21″N 71°09′03″W﻿ / ﻿43.02250°N 71.15083°W﻿ / 43.02250; -71.15083﻿ (Prescott Bridge) |
| NH-17 | Main Street Bridge | Replaced | Reinforced concrete Luten arch | 1923 | 1989 | Main Street | Israel River | Lancaster | Coos | 44°29′17″N 71°34′10″W﻿ / ﻿44.48806°N 71.56944°W﻿ / 44.48806; -71.56944﻿ (Main Street Bridge) |
| NH-19 | U.S. Route 4 Bridge | Replaced | Pratt truss | 1940 | 1992 | US 4 | Mascoma River | Canaan | Grafton | 43°38′37″N 72°06′47″W﻿ / ﻿43.64361°N 72.11306°W﻿ / 43.64361; -72.11306﻿ (U.S. Route 4 Bridge) |
| NH-21 | Branch River Bridge | Replaced | Reinforced concrete T-beam | 1935 | 1993 | NH 12 (Main Street) | The Branch | Keene | Cheshire | 42°55′7″N 72°16′29″W﻿ / ﻿42.91861°N 72.27472°W﻿ / 42.91861; -72.27472﻿ (Branch River Bridge) |
| NH-23 | Main Street Bridge | Replaced | Warren truss | 1915 | 1995 | NH 12 / NH 103 (Main Street) | Sugar River | Claremont | Sullivan | 43°22′32″N 72°20′45″W﻿ / ﻿43.37556°N 72.34583°W﻿ / 43.37556; -72.34583﻿ (Main Street Bridge) |
| NH-24 | Claremont Railway Bridge | Demolished | Warren truss | 1903 | 1995 | Claremont Railway | Sugar River | Claremont | Sullivan | 43°22′32″N 72°20′45″W﻿ / ﻿43.37556°N 72.34583°W﻿ / 43.37556; -72.34583﻿ (Claremont Railway Bridge) |
| NH-25 | Elm Street Sluiceway | Extant | Culvert | 1813 | 1995 | Elm Street | Mill sluiceway | Claremont | Sullivan | 43°22′34″N 72°20′45″W﻿ / ﻿43.37611°N 72.34583°W﻿ / 43.37611; -72.34583﻿ (Elm Street Sluiceway) |
| NH-26 | Colonel Alexander Scammell Memorial Bridge | Replaced | Strauss bascule | 1935 | 1996 | US 4 | Bellamy River | Dover | Strafford | 43°07′45″N 70°50′55″W﻿ / ﻿43.12917°N 70.84861°W﻿ / 43.12917; -70.84861﻿ (Colonel Alexander Scammell Memorial Bridge) |
| NH-27 | Kelleyville Bridge | Replaced | Reinforced concrete open-spandrel arch | 1933 | 1995 | NH 11 / NH 103 | Sugar River | Newport | Sullivan | 43°21′44″N 72°13′30″W﻿ / ﻿43.36222°N 72.22500°W﻿ / 43.36222; -72.22500﻿ (Kelleyville Bridge) |
| NH-28 | Manchester Street Bridge | Replaced | Parker truss | 1933 | 1996 | US 3 (Manchester Street) | Merrimack River | Concord | Merrimack | 43°11′35″N 71°31′26″W﻿ / ﻿43.19306°N 71.52389°W﻿ / 43.19306; -71.52389﻿ (Manchester Street Bridge) |
| NH-29 | Water Street Bridge | Replaced | Steel built-up girder | 1936 | 1996 | US 3 (Water Street) | Boston and Maine Railroad | Concord | Merrimack | 43°11′47″N 71°31′46″W﻿ / ﻿43.19639°N 71.52944°W﻿ / 43.19639; -71.52944﻿ (Water Street Bridge) |
| NH-30 | Barnstead Bridge | Replaced | Reinforced concrete rigid frame | 1935 | 1997 | NH 107 (Barnstead Road) | Suncook River | Pittsfield | Merrimack | 43°18′26″N 71°19′21″W﻿ / ﻿43.30722°N 71.32250°W﻿ / 43.30722; -71.32250﻿ (Barnstead Bridge) |
| NH-31 | Edna Dean Proctor Bridge | Extant | Reinforced concrete closed-spandrel arch | 1939 | 1997 | NH 114 | Contoocook River | Henniker | Merrimack | 43°10′44″N 71°49′19″W﻿ / ﻿43.17889°N 71.82194°W﻿ / 43.17889; -71.82194﻿ (Edna Dean Proctor Bridge) |
| NH-33 | Bath–Haverhill Bridge | Extant | Town lattice truss | 1829 | 2003 | NH 135 (Ammonoosuc Street) (former) | Ammonoosuc River | Woodsville and Bath | Grafton | 44°09′17″N 72°02′11″W﻿ / ﻿44.15472°N 72.03639°W﻿ / 44.15472; -72.03639﻿ (Bath-Haverhill Bridge) |
| NH-34 | Bath Bridge | Extant | Burr truss | 1832 | 2003 | Lisbon Road | Ammonoosuc River | Bath | Grafton | 44°10′01″N 71°58′02″W﻿ / ﻿44.16694°N 71.96722°W﻿ / 44.16694; -71.96722﻿ (Bath Bridge) |
| NH-35 | Wright's Bridge | Extant | Town lattice truss | 1906 | 2003 | Concord and Claremont Railroad | Sugar River | Claremont | Sullivan | 43°21′32″N 72°15′33″W﻿ / ﻿43.35889°N 72.25917°W﻿ / 43.35889; -72.25917﻿ (Wright's Bridge) |
| NH-36 | Sulphite Railroad Bridge | Abandoned | Pratt truss | 1896 | 2003 | Boston and Maine Railroad | Winnipesaukee River | Franklin | Merrimack | 43°26′42″N 71°38′07″W﻿ / ﻿43.44500°N 71.63528°W﻿ / 43.44500; -71.63528﻿ (Sulphite Railroad Bridge) |
| NH-38 | Contoocook Railroad Bridge | Extant | Town lattice truss | 1889 | 2003 | Concord and Claremont Railroad | Contoocook River | Hopkinton | Merrimack | 43°13′23″N 71°42′50″W﻿ / ﻿43.22306°N 71.71389°W﻿ / 43.22306; -71.71389﻿ (Contoocook Railroad Bridge) |
| NH-39 | Clark's Bridge | Extant | Howe truss | 1904 | 2003 | White Mountain Central Railroad | Pemigewasset River | Lincoln | Grafton | 44°03′6″N 71°41′16″W﻿ / ﻿44.05167°N 71.68778°W﻿ / 44.05167; -71.68778﻿ (Clark's Bridge) |
| NH-40 | Kenyon Bridge | Extant | King post truss | 1882 | 2003 | Town House Road | Mill Brook | Cornish | Sullivan | 43°27′47″N 72°21′12″W﻿ / ﻿43.46306°N 72.35333°W﻿ / 43.46306; -72.35333﻿ (Kenyon Bridge) |
| NH-41 | Honeymoon Bridge | Extant | Paddleford truss | 1876 | 2003 | NH 16A | Ellis River | Jackson | Carroll | 44°08′30″N 71°11′11″W﻿ / ﻿44.14167°N 71.18639°W﻿ / 44.14167; -71.18639﻿ (Honeymoon Bridge) |
| NH-42 | Hancock–Greenfield Bridge | Extant | Pratt truss | 1937 | 2003 | Forest Road | Contoocook River | Hancock and Greenfield | Hillsborough | 42°57′24″N 71°56′05″W﻿ / ﻿42.95667°N 71.93472°W﻿ / 42.95667; -71.93472﻿ (Hancock-Greenfield Bridge) |
| NH-43 | Livermore Bridge | Abandoned | Town lattice truss | 1937 | 2003 | Russell Hill Road (former) | Blood Brook | Wilton | Hillsborough | 42°49′46″N 71°46′42″W﻿ / ﻿42.82944°N 71.77833°W﻿ / 42.82944; -71.77833﻿ (Livermore Bridge) |
| NH-44 | Rollins Farm Bridge | Abandoned | Howe truss | 1917 | 2003 | Ham Road | Boston and Maine Railroad | Rollinsford | Strafford | 43°13′23″N 70°51′07″W﻿ / ﻿43.22306°N 70.85194°W﻿ / 43.22306; -70.85194﻿ (Rollins Farm Bridge) |
| NH-45 | Mechanic Street Bridge | Extant | Paddleford truss | 1862 | 2004 | Mechanic Street | Israel River | Lancaster | Coos | 44°29′13″N 71°33′51″W﻿ / ﻿44.48694°N 71.56417°W﻿ / 44.48694; -71.56417﻿ (Mechanic Street Bridge) |
| NH-48 | Boston and Maine Railroad, Berlin Branch Bridge No. 148.81 | Rehabilitated | Howe truss | 1918 | 2009 | Boston and Maine Railroad, Berlin Branch | Moose Brook | Gorham | Coos | 44°24′2″N 71°12′27″W﻿ / ﻿44.40056°N 71.20750°W﻿ / 44.40056; -71.20750﻿ (Boston and Maine Railroad, Berlin Branch Bridge No. 148.81) |
| NH-49 | Boston and Maine Railroad, Berlin Branch Bridge No. 143.06 | Rehabilitated | Howe truss | 1918 | 2009 | Boston and Maine Railroad, Berlin Branch | Snyder Brook | Randolph | Coos | 44°22′16″N 71°17′07″W﻿ / ﻿44.37111°N 71.28528°W﻿ / 44.37111; -71.28528﻿ (Boston and Maine Railroad, Berlin Branch Bridge No. 143.06) |
| NH-50 | Whittier Bridge | Bypassed | Paddleford truss | 1870 | 2009 | NH 25 (Nudd Road) (former) | Bearcamp River | Ossipee | Carroll | 43°49′20″N 71°12′43″W﻿ / ﻿43.82222°N 71.21194°W﻿ / 43.82222; -71.21194﻿ (Whittier Bridge) |
| NH-52 | Sarah Mildred Long Bridge | Replaced | Vertical-lift bridge | 1940 | 2012 | US 1 Byp. and Portsmouth Naval Shipyard railroad | Piscataqua River | Portsmouth, New Hampshire, and Kittery, Maine | Rockingham County, New Hampshire, and York County, Maine | 43°05′09″N 70°45′39″W﻿ / ﻿43.08583°N 70.76083°W﻿ / 43.08583; -70.76083﻿ (Sarah Mildred Long Bridge) |