# List of bridges on the National Register of Historic Places in Iowa

This is a list of bridges and tunnels on the National Register of Historic Places in the U.S. state of Iowa.
| Name | Built | Listed | Location | County | Type |
| 280th Street Bridge | 1898 | 1998-06-25 | Independence 42°23′6″N 91°56′34″W﻿ / ﻿42.38500°N 91.94278°W﻿ / 42.38500; -91.94278﻿ (280th Street Bridge) | Buchanan | Pinned kingpost pony truss |
| Adair Viaduct | 1923 | 1998-06-25 | Adair 41°29′56″N 94°38′23″W﻿ / ﻿41.49889°N 94.63972°W﻿ / 41.49889; -94.63972﻿ (Adair Viaduct) | Adair | Concrete open spandrel arch |
| Adel Bridge | 1882 | 2002-04-18 | Adel 41°36′57″N 94°0′43″W﻿ / ﻿41.61583°N 94.01194°W﻿ / 41.61583; -94.01194﻿ (Adel Bridge) | Dallas | Pratt Through Truss |
| Albright Bridge | 1907 | 1998-06-25 | Webster City 42°24′20″N 93°48′36″W﻿ / ﻿42.40556°N 93.81000°W﻿ / 42.40556; -93.81000﻿ (Albright Bridge) | Hamilton | Pinned Pratt through truss |
| Alden Bridge | 1936 | 1998-05-15 | Alden 42°31′16″N 93°22′32″W﻿ / ﻿42.52111°N 93.37556°W﻿ / 42.52111; -93.37556﻿ (Alden Bridge) | Hardin | concrete rigid frame |
| Ames Creek Bridge | 1912 | 1998-06-25 | De Witt 41°51′1″N 90°30′36″W﻿ / ﻿41.85028°N 90.51000°W﻿ / 41.85028; -90.51000﻿ (Ames Creek Bridge) | Clinton | Concrete through girder |
| Beaver Creek Bridge | 1916 | 1998-06-25 | Perry 41°50′47″N 94°2′53″W﻿ / ﻿41.84639°N 94.04806°W﻿ / 41.84639; -94.04806﻿ (Beaver Creek Bridge) | Dallas | Concrete Marsh arch |
| Beaver Creek Bridge | 1919 | 1998-06-25 | Ogden 42°2′34″N 94°8′41″W﻿ / ﻿42.04278°N 94.14472°W﻿ / 42.04278; -94.14472﻿ (Beaver Creek Bridge) | Boone | Concrete Marsh arch |
| Bellefountain Bridge | 1898 | 1998-05-15 | Tracy 41°19′58″N 92°51′56″W﻿ / ﻿41.33278°N 92.86556°W﻿ / 41.33278; -92.86556﻿ (Bellefountain Bridge) | Mahaska | pinned Pratt through truss |
| Berkhimer Bridge | 1899 | 1998-05-15 | Humboldt 42°44′21″N 94°15′11″W﻿ / ﻿42.73917°N 94.25306°W﻿ / 42.73917; -94.25306﻿ (Berkhimer Bridge) | Humboldt | Pennsylvania through truss |
| Bertram Bridge | 1891 | 1998-05-15 | Bertram 41°57′23″N 91°31′36″W﻿ / ﻿41.95639°N 91.52667°W﻿ / 41.95639; -91.52667﻿ (Bertram Bridge) | Linn | pinned Pratt through truss |
| Big Creek Bridge | 1916 | 1998-06-25 | Madrid 41°53′33″N 93°45′1″W﻿ / ﻿41.89250°N 93.75028°W﻿ / 41.89250; -93.75028﻿ (Big Creek Bridge) | Boone | Concrete Marsh arch |
| Big Creek Bridge 2 | 1917 | 1998-06-25 | Madrid 41°53′33″N 93°45′2″W﻿ / ﻿41.89250°N 93.75056°W﻿ / 41.89250; -93.75056﻿ (Big Creek Bridge 2) | Boone | Concrete Marsh arch |
| Big Slough Creek Bridge | 1937 | 1998-05-15 | Nichols 41°28′38″N 91°20′53″W﻿ / ﻿41.47722°N 91.34806°W﻿ / 41.47722; -91.34806﻿ (Big Slough Creek Bridge) | Muscatine | concrete rigid frame |
| Boone Bridge | 1927, 1928 | 1998-06-25 | Boone 42°2′32″N 93°56′0″W﻿ / ﻿42.04222°N 93.93333°W﻿ / 42.04222; -93.93333﻿ (Boone Bridge) | Boone | Parker/Pratt through truss |
| Boone Bridge 2 | 1910 | 1998-06-25 | Boone 42°3′47″N 93°58′13″W﻿ / ﻿42.06306°N 93.97028°W﻿ / 42.06306; -93.97028﻿ (Boone Bridge 2) | Boone | Pennsylvania through truss |
| Boone River Bridge | 1912 | 1998-05-15 | Goldfield 42°51′26″N 93°56′46″W﻿ / ﻿42.85722°N 93.94611°W﻿ / 42.85722; -93.94611﻿ (Boone River Bridge) | Wright | riveted Warren pony truss |
| Boone Viaduct | 1899–1901 | 1978-11-17 | Boone | Boone | Pratt deck truss |
| Bridge near West Liberty | 1937 | 1998-05-15 | West Liberty 41°34′6″N 91°19′24″W﻿ / ﻿41.56833°N 91.32333°W﻿ / 41.56833; -91.32333﻿ (Bridge near West Liberty) | Muscatine | welded steel rigig frame |
| Bridgeport Bridge | 1904 | 1998-05-15 | Denmark 40°47′25″N 91°21′50″W﻿ / ﻿40.79028°N 91.36389°W﻿ / 40.79028; -91.36389﻿ (Bridgeport Bridge) | Lee | Pennsylvania through truss |
| Brooke Creek Bridge | 1909 | 1998-06-25 | Sioux Rapids 42°50′11″N 95°17′8″W﻿ / ﻿42.83639°N 95.28556°W﻿ / 42.83639; -95.28556﻿ (Brooke Creek Bridge) | Buena Vista | Concrete spandrel arch |
| Buck Grove Bridge | ca. 1945 | 1998-06-25 | Buck Grove 41°54′50″N 95°22′49″W﻿ / ﻿41.91389°N 95.38028°W﻿ / 41.91389; -95.38028﻿ (Buck Grove Bridge) | Crawford | Bowstring pony arch-truss |
| Burlington Railroad Overpass | 1937 | 1998-05-15 | Chariton 41°2′27″N 93°21′57″W﻿ / ﻿41.04083°N 93.36583°W﻿ / 41.04083; -93.36583﻿ (Burlington Railroad Overpass) | Lucas | three-hinge deck archtruss |
| Burlington, Cedar Rapids, and Northern Railroad-Rock Rapids Station, Railroad Track and Bridge | 1886 | 1976-11-07 | Rock Rapids 43°26′1″N 96°9′59″W﻿ / ﻿43.43361°N 96.16639°W﻿ / 43.43361; -96.16639﻿ (Burlington, Cedar Rapids, and Northern Railroad-Rock Rapids Station, Railroad Track and Bridge) | Lyon | |
| Calamus Creek Bridge | 1905 | 1998-05-15 | Maxwell 41°53′4″N 93°22′54″W﻿ / ﻿41.88444°N 93.38167°W﻿ / 41.88444; -93.38167﻿ (Calamus Creek Bridge) | Story | concrete Luten arch |
| Cascade Bridge | 1896 | 1998-06-25 | Burlington 40°46′52″N 91°5′54″W﻿ / ﻿40.78111°N 91.09833°W﻿ / 40.78111; -91.09833﻿ (Cascade Bridge) | Des Moines | Baltimore deck truss |
| Chain Lakes Bridge | 1884 | 1998-05-15 | Hiawatha 42°2′59″N 91°46′32″W﻿ / ﻿42.04972°N 91.77556°W﻿ / 42.04972; -91.77556﻿ (Chain Lakes Bridge) | Linn | pinned Pratt through truss |
| Chambers Ford Bridge | 1890 | 1998-05-15 | Chelsea 41°53′1″N 92°20′9″W﻿ / ﻿41.88361°N 92.33583°W﻿ / 41.88361; -92.33583﻿ (Chambers Ford Bridge) | Tama | pinned Pratt through truss |
| Cherry Street Bridge | 1929 | 1998-06-25 | Shell Rock 42°42′28″N 92°35′8″W﻿ / ﻿42.70778°N 92.58556°W﻿ / 42.70778; -92.58556﻿ (Cherry Street Bridge) | Butler | Concrete open-spandrel arch |
| Chicago, Rock Island and Pacific Railroad Stone Arch Viaduct | 1868 | 1998-07-15 | Shelby 41°31′26″N 95°26′11″W﻿ / ﻿41.52389°N 95.43639°W﻿ / 41.52389; -95.43639﻿ (Chicago, Rock Island and Pacific Railroad Stone Arch Viaduct) | Shelby | |
| CM and StP Railroad Underpass | 1903 | 1998-05-15 | Washington 41°17′36″N 91°43′28″W﻿ / ﻿41.29333°N 91.72444°W﻿ / 41.29333; -91.72444﻿ (CM and StP Railroad Underpass) | Washington | Riveted Warren deck truss |
| Coal Creek Bridge | 1889 | 1998-05-15 | Carlisle 41°25′44″N 93°20′46″W﻿ / ﻿41.42889°N 93.34611°W﻿ / 41.42889; -93.34611﻿ (Coal Creek Bridge) | Warren | Pinned Pratt pony truss |
| Corbett's/Eby's Mill Bridge | 1871 | 1985-04-11 | Scotch Grove 42°11′59″N 91°3′32″W﻿ / ﻿42.19972°N 91.05889°W﻿ / 42.19972; -91.05889﻿ (Corbett's/Eby's Mill Bridge) | Jones | Arch beam truss |
| Cornelia Lake Bridge | 1877 | 1998-05-15 | Clarion 42°47′31″N 93°41′38″W﻿ / ﻿42.79194°N 93.69389°W﻿ / 42.79194; -93.69389﻿ (Cornelia Lake Bridge) | Wright | Pinned Pratt pony truss |
| County Line Bridge | 1893 | 1998-05-15 | Columbus Junction 41°16′51″N 91°29′6″W﻿ / ﻿41.28083°N 91.48500°W﻿ / 41.28083; -91.48500﻿ (County Line Bridge) | Louisa/Washington | pinned Pratt through truss |
| Court Avenue Bridge | 1918 | 1998-05-15 | Des Moines 41°35′9″N 93°37′3″W﻿ / ﻿41.58583°N 93.61750°W﻿ / 41.58583; -93.61750﻿ (Court Avenue Bridge) | Polk | filled spandral arch |
| Cunningham Bridge | 1886 | 1998-05-15 | Bevington 41°24′6″N 93°51′40″W﻿ / ﻿41.40167°N 93.86111°W﻿ / 41.40167; -93.86111﻿ (Cunningham Bridge) | Madison | pinned Pratt through truss |
| Cutler–Donahoe Bridge | 1871, 1970 | 1976-10-08 | Winterset 41°19′52″N 94°0′31″W﻿ / ﻿41.33111°N 94.00861°W﻿ / 41.33111; -94.00861﻿ (Cutler–Donahoe Bridge) | Madison | covered bridge |
| Des Moines River Bridge | 1916 | 1998-05-15 | Swea City 43°20′42″N 94°26′33″W﻿ / ﻿43.34500°N 94.44250°W﻿ / 43.34500; -94.44250﻿ (Des Moines River Bridge) | Kossuth | Marsh arch |
| Des Moines River Bridge | 1939 | 1998-05-15 | Humboldt 42°43′55″N 94°15′30″W﻿ / ﻿42.73194°N 94.25833°W﻿ / 42.73194; -94.25833﻿ (Des Moines River Bridge) | Humboldt | steel plate deck girderuss |
| Dry Run Bridge | 1898 | 1998-06-25 | Littleport 42°45′10″N 91°22′8″W﻿ / ﻿42.75278°N 91.36889°W﻿ / 42.75278; -91.36889﻿ (Dry Run Bridge) | Clayton | Steel stringer |
| Dunkerton Bridge | 1909 | 1998-06-25 | Dunkerton 42°34′23″N 92°9′38″W﻿ / ﻿42.57306°N 92.16056°W﻿ / 42.57306; -92.16056﻿ (Dunkerton Bridge) | Black Hawk | Concrete spandrelarch |
| Dunleith and Dubuque Bridge | 1872 | 2013-09-11 | Dubuque 42°29′21″N 90°46′33″W﻿ / ﻿42.48917°N 90.77583°W﻿ / 42.48917; -90.77583﻿ (Dunleith and Dubuque Bridge) | Dubuque | Pinned Pratt through truss |
| East Indian Creek Bridge | 1912 | 1998-05-15 | Nevada 41°58′31″N 93°23′13″W﻿ / ﻿41.97528°N 93.38694°W﻿ / 41.97528; -93.38694﻿ (East Indian Creek Bridge) | Story | concrete Luten arch |
| Eisenhower Bridge | 1888 | 1998-05-15 | Milton 40°40′43″N 92°7′2″W﻿ / ﻿40.67861°N 92.11722°W﻿ / 40.67861; -92.11722﻿ (Eisenhower Bridge) | Van Buren | Pinned Pratt through truss |
| Eldorado Bridge | 1898, 1899 | 1998-06-25 | Eldorado 43°3′13″N 91°50′5″W﻿ / ﻿43.05361°N 91.83472°W﻿ / 43.05361; -91.83472﻿ (Eldorado Bridge) | Fayette | Pinned Camelback truss |
| Elkader Keystone Bridge | 1888, 1889 | 1976-11-07 | Elkader 42°51′17″N 91°24′13″W﻿ / ﻿42.85472°N 91.40361°W﻿ / 42.85472; -91.40361﻿ (Elkader Keystone Bridge) | Clayton | stone arch bridge |
| Ellsworth Ranch Bridge | 1895 | 1998-07-15 | Armstrong 43°27′36″N 94°34′49″W﻿ / ﻿43.46000°N 94.58028°W﻿ / 43.46000; -94.58028﻿ (Ellsworth Ranch Bridge) | Emmet | Pratt/Warren through truss |
| Ely's Stone Bridge | 1893 | 1979-03-07 | Monticello 42°15′24″N 91°13′31″W﻿ / ﻿42.25667°N 91.22528°W﻿ / 42.25667; -91.22528﻿ (Ely's Stone Bridge) | Jones | |
| Eveland Bridge | 1876, 1877 | 1998-05-15 | Oskaloosa 41°14′4″N 92°45′22″W﻿ / ﻿41.23444°N 92.75611°W﻿ / 41.23444; -92.75611﻿ (Eveland Bridge) | Mahaska | pinned Whipple through truss |
| First Avenue Bridge | 1920 | 1998-05-15 | Cedar Rapids 41°58′36″N 91°40′20″W﻿ / ﻿41.97667°N 91.67222°W﻿ / 41.97667; -91.67222﻿ (First Avenue Bridge) | Linn | open spandrel arch |
| Fish Creek Bridge | 1894 | 1998-05-15 | Salem 40°51′14″N 91°34′51″W﻿ / ﻿40.85389°N 91.58083°W﻿ / 40.85389; -91.58083﻿ (Fish Creek Bridge) | Henry | pinned Pratt bedstead |
| Fort Atkinson Bridge | 1892 | 1998-05-15 | Fort Atkinson 43°9′12″N 91°55′43″W﻿ / ﻿43.15333°N 91.92861°W﻿ / 43.15333; -91.92861﻿ (Fort Atkinson Bridge) | Winneshiek | Pinned Pratt through truss |
| Fort Madison Bridge | 1925, 1927 | 1999-08-27 | Fort Madison 40°37′16″N 91°17′15″W﻿ / ﻿40.62111°N 91.28750°W﻿ / 40.62111; -91.28750﻿ (Fort Madison Bridge) | Lee | Swing-span through truss |
| Fremont Mill Bridge | 1873 | 1998-05-15 | Anamosa 42°6′36″N 91°7′58″W﻿ / ﻿42.11000°N 91.13278°W﻿ / 42.11000; -91.13278﻿ (Fremont Mill Bridge) | Jones | bowstring through arch truss |
| Garnavillo Township Bridge | 1902 | 1998-06-25 | Garnavillo 42°51′47″N 91°16′57″W﻿ / ﻿42.86306°N 91.28250°W﻿ / 42.86306; -91.28250﻿ (Garnavillo Township Bridge) | Clayton | Stone arch |
| Garnavillo Township Culvert | 1899 | 1998-06-25 | Garnavillo 42°52′4″N 91°16′10″W﻿ / ﻿42.86778°N 91.26944°W﻿ / 42.86778; -91.26944﻿ (Garnavillo Township Culvert) | Clayton | Stone arch culvert |
| Garretson Outlet Bridge | 1913 | 1999-03-12 | Whiting 42°12′16″N 96°6′24″W﻿ / ﻿42.20444°N 96.10667°W﻿ / 42.20444; -96.10667﻿ (Garretson Outlet Bridge) | Monona | Warren pony truss |
| Gilliece Bridge | 1873, 1874 | 1998-05-15 | Bluffton 43°24′54″N 91°57′32″W﻿ / ﻿43.41500°N 91.95889°W﻿ / 43.41500; -91.95889﻿ (Gilliece Bridge) | Winneshiek | Bowstring through arch-truss |
| Gipple's Quarry Bridge | 1893 | 1998-05-15 | Columbus Junction 41°12′17″N 91°24′31″W﻿ / ﻿41.20472°N 91.40861°W﻿ / 41.20472; -91.40861﻿ (Gipple's Quarry Bridge) | Louisa | pinned Pratt through truss |
| Goldfield Bridge | 1921 | 1998-05-15 | Goldfield 42°44′14″N 93°55′29″W﻿ / ﻿42.73722°N 93.92472°W﻿ / 42.73722; -93.92472﻿ (Goldfield Bridge) | Wright | Concrete deck girder |
| Grand River Bridge | 1885 | 1998-05-15 | Arispe 40°57′48″N 94°2′20″W﻿ / ﻿40.96333°N 94.03889°W﻿ / 40.96333; -94.03889﻿ (Grand River Bridge) | Union | Pinned Pratt through truss |
| Grand River Bridge | ca. 1890 | 1998-06-25 | Leon 40°43′18″N 93°52′33″W﻿ / ﻿40.72167°N 93.87583°W﻿ / 40.72167; -93.87583﻿ (Grand River Bridge) | Decatur | Pinned Pratt through truss |
| Green Mill Ford Bridge | 1871 | 1998-06-25 | Janesville 42°40′20″N 92°25′44″W﻿ / ﻿42.67222°N 92.42889°W﻿ / 42.67222; -92.42889﻿ (Green Mill Ford Bridge) | Bremer | Bowstring through arch-truss |
| Hale Bridge | 1877, 1879 | 1998-05-15 | Oxford Junction 42°0′17″N 91°3′52″W﻿ / ﻿42.00472°N 91.06444°W﻿ / 42.00472; -91.06444﻿ (Hale Bridge) | Jones | bowstring through arch truss |
| Hammond Bridge | 1894 | 1998-05-15 | Hamilton 41°10′39″N 93°0′50″W﻿ / ﻿41.17750°N 93.01389°W﻿ / 41.17750; -93.01389﻿ (Hammond Bridge) | Marion | Howe covered truss |
| Harvey Railroad Bridge | 1878 | 1998-05-15 | Harvey 41°19′2″N 92°54′36″W﻿ / ﻿41.31722°N 92.91000°W﻿ / 41.31722; -92.91000﻿ (Harvey Railroad Bridge) | Marion | pinned Pratt through truss |
| Hawkeye Creek Bridge | 1909, 1910 | 1998-06-25 | Mediapolis 41°2′33″N 91°3′26″W﻿ / ﻿41.04250°N 91.05722°W﻿ / 41.04250; -91.05722﻿ (Hawkeye Creek Bridge) | Des Moines | Riveted Pratt through truss |
| Hawkeye Street Underpass | 1889 | 1998-06-25 | Nora Springs 43°8′24″N 93°0′20″W﻿ / ﻿43.14000°N 93.00556°W﻿ / 43.14000; -93.00556﻿ (Hawkeye Street Underpass) | Floyd | Stone masonry arch |
| Herrold Bridge | 1921 | 1998-05-15 | Herrold 41°43′19″N 93°44′59″W﻿ / ﻿41.72194°N 93.74972°W﻿ / 41.72194; -93.74972﻿ (Herrold Bridge) | Polk | concrete deck girder |
| Hogback Covered Bridge | 1884 | 1976-08-28 | Winterset 41°23′9″N 94°3′0″W﻿ / ﻿41.38583°N 94.05000°W﻿ / 41.38583; -94.05000﻿ (Hogback Covered Bridge) | Madison | Town lattice |
| Holliwell Covered Bridge | 1880 | 1976-08-28 | Winterset 41°19′21″N 93°57′33″W﻿ / ﻿41.32250°N 93.95917°W﻿ / 41.32250; -93.95917﻿ (Holliwell Covered Bridge) | Madison | Town lattice |
| IANR Railroad Underpass | 1887 | 1998-05-15 | Cedar Rapids 41°56′40″N 91°38′12″W﻿ / ﻿41.94444°N 91.63667°W﻿ / 41.94444; -91.63667﻿ (IANR Railroad Underpass) | Linn | stone masonry arch |
| Imes Covered Bridge | 1870, 1887, 1977 | 1979-02-09 | St. Charles 41°17′18″N 93°47′56″W﻿ / ﻿41.28833°N 93.79889°W﻿ / 41.28833; -93.79889﻿ (Imes Covered Bridge) | Madison | covered bridge |
| Indian Creek Bridge | ca. 1880 | 1998-05-15 | Cedar Rapids 41°58′2″N 91°34′52″W﻿ / ﻿41.96722°N 91.58111°W﻿ / 41.96722; -91.58111﻿ (Indian Creek Bridge) | Linn | pinned Pratt through truss |
| Iowa Falls Bridge | 1928 | 1998-05-15 | Iowa Falls 42°31′6″N 93°15′46″W﻿ / ﻿42.51833°N 93.26278°W﻿ / 42.51833; -93.26278﻿ (Iowa Falls Bridge) | Hardin | open spandrel arch |
| Jefferson Street Viaduct | 1935, 1936 | 1998-05-15 | Ottumwa 41°0′39″N 92°24′55″W﻿ / ﻿41.01083°N 92.41528°W﻿ / 41.01083; -92.41528﻿ (Jefferson Street Viaduct) | Wapello | Riveted Warren deck truss |
| Julien Dubuque Bridge | 1943 | 1999-08-27 | Dubuque 42°29′30″N 90°39′17″W﻿ / ﻿42.49167°N 90.65472°W﻿ / 42.49167; -90.65472﻿ (Julien Dubuque Bridge) | Dubuque | Cantilevered tied arch |
| Keigley Branch Bridge | 1913 | 1998-05-15 | Gilbert 42°8′13″N 93°36′3″W﻿ / ﻿42.13694°N 93.60083°W﻿ / 42.13694; -93.60083﻿ (Keigley Branch Bridge) | Story | filled spandrel arch |
| Kilbourn Bridge | 1908, 1909 | 1998-05-15 | Kilbourn 40°47′56″N 91°58′14″W﻿ / ﻿40.79889°N 91.97056°W﻿ / 40.79889; -91.97056﻿ (Kilbourn Bridge) | Van Buren | Pinned Pratt through truss |
| Kittyhawk Avenue Bridge | 1913 | 1998-06-25 | Carroll 42°1′47″N 94°53′52″W﻿ / ﻿42.02972°N 94.89778°W﻿ / 42.02972; -94.89778﻿ (Kittyhawk Avenue Bridge) | Carroll | Riveted Warren pony truss |
| Klondike Bridge | 1913, 1914 | 1998-05-15 | Larchwood 43°23′16″N 96°31′18″W﻿ / ﻿43.38778°N 96.52167°W﻿ / 43.38778; -96.52167﻿ (Klondike Bridge) | Lyon | Pratt through truss |
| Lawrence Bridge | 1880 | 1998-05-15 | Jackson Junction 43°4′58″N 92°3′8″W﻿ / ﻿43.08278°N 92.05222°W﻿ / 43.08278; -92.05222﻿ (Lawrence Bridge) | Winneshiek | Pinned Pratt pony truss |
| Le Grand Bridge (1914) | 1914, 1915 | 1998-05-15 | Le Grand 42°1′47″N 92°46′59″W﻿ / ﻿42.02972°N 92.78306°W﻿ / 42.02972; -92.78306﻿ (Le Grand Bridge) | Marshall | concrete deck girder |
| Le Grand Bridge (1896) | 1896 | 1998-05-15 | Le Grand 42°1′54″N 92°45′58″W﻿ / ﻿42.03167°N 92.76611°W﻿ / 42.03167; -92.76611﻿ (Le Grand Bridge) | Tama | pinned Pratt through truss |
| Lincoln Highway Bridge | 1915 | 1978-03-30 | Tama 41°57′52″N 92°33′47″W﻿ / ﻿41.96444°N 92.56306°W﻿ / 41.96444; -92.56306﻿ (Lincoln Highway Bridge) | Tama | Single-span slab bridge |
| Lincoln Highway-Little Beaver Creek Bridge | 1915 | 1993-03-29 | Grand Junction 42°2′57″N 94°10′37″W﻿ / ﻿42.04917°N 94.17694°W﻿ / 42.04917; -94.17694﻿ (Lincoln Highway-Little Beaver Creek Bridge) | Greene | Concrete slab bridge |
| Little Sioux River Bridge | 1900, 1901 | 1998-06-25 | Spencer 43°9′47″N 95°10′12″W﻿ / ﻿43.16306°N 95.17000°W﻿ / 43.16306; -95.17000﻿ (Little Sioux River Bridge) | Clay | Pennsylvania through truss |
| Lower Road Bridge | 1878 | 1998-05-15 | Anamosa 41°55′49″N 91°18′44″W﻿ / ﻿41.93028°N 91.31222°W﻿ / 41.93028; -91.31222﻿ (Lower Road Bridge) | Jones | bowstring through arch truss |
| Main Street Bridge | 1909, 1910 | 1999-03-12 | Charles City 43°3′48″N 92°40′35″W﻿ / ﻿43.06333°N 92.67639°W﻿ / 43.06333; -92.67639﻿ (Main Street Bridge) | Floyd | Concrete spandrel arch |
| Mallory Township Bridge | 1890 | 1998-06-25 | Osterdock 42°43′8″N 91°10′42″W﻿ / ﻿42.71889°N 91.17833°W﻿ / 42.71889; -91.17833﻿ (Mallory Township Bridge) | Clayton | Pinned Pratt pony truss |
| Manning Milwaukee Railroad Trestle | 1913 | 2020-08-21 | Manning 41°54′50.1″N 91°56′34″W﻿ / ﻿41.913917°N 91.94278°W﻿ / 41.913917; -91.94278﻿ (280th Street Bridge) | Carroll | Pratt through truss |
| Marsh Rainbow Arch Bridge | 1914 | 1989-03-30 | Lake City 42°13′46″N 95°3′48.5″W﻿ / ﻿42.22944°N 95.063472°W﻿ / 42.22944; -95.063472﻿ (Marsh Rainbow Arch Bridge) | Calhoun | Triple rainbow arch |
| Matsell Bridge | 1938, 1939 | 1998-05-15 | Springville 42°7′51″N 91°22′57″W﻿ / ﻿42.13083°N 91.38250°W﻿ / 42.13083; -91.38250﻿ (Matsell Bridge) | Linn | continuous plate through gir |
| Mederville Bridge | 1918 | 1998-06-25 | Mederville 42°45′50″N 91°25′17″W﻿ / ﻿42.76389°N 91.42139°W﻿ / 42.76389; -91.42139﻿ (Mederville Bridge) | Clayton | Concrete open spandrel arch |
| Melan Bridge | 1893, 1894 | 1974-10-18 | Rock Rapids 43°25′49″N 96°9′19″W﻿ / ﻿43.43028°N 96.15528°W﻿ / 43.43028; -96.15528﻿ (Melan Bridge) | Lyon | Melan design |
| Mill Creek Bridge | 1888, 1889 | 1998-06-25 | Clarence 41°54′15″N 91°3′53″W﻿ / ﻿41.90417°N 91.06472°W﻿ / 41.90417; -91.06472﻿ (Mill Creek Bridge) | Cedar | Pinned Pratt pony truss |
| Mill Creek Bridge | 1891 | 1998-06-25 | Cherokee 42°46′38″N 95°31′47″W﻿ / ﻿42.77722°N 95.52972°W﻿ / 42.77722; -95.52972﻿ (Mill Creek Bridge) | Cherokee | Pinned Pratt through truss |
| Mill Race Bridge | 1892 | 1998-06-25 | West Union 43°4′38″N 91°53′19″W﻿ / ﻿43.07722°N 91.88861°W﻿ / 43.07722; -91.88861﻿ (Mill Race Bridge) | Fayette | Pinned Warren through truss |
| Miller Bridge | 1884 | 1998-05-15 | Winterset 41°24′45″N 93°56′34″W﻿ / ﻿41.41250°N 93.94278°W﻿ / 41.41250; -93.94278﻿ (Miller Bridge) | Madison | pinned Pratt through truss |
| Minerva Creek Bridge | 1910 | 1998-05-15 | Clemons 42°8′21″N 93°9′21″W﻿ / ﻿42.13917°N 93.15583°W﻿ / 42.13917; -93.15583﻿ (Minerva Creek Bridge) | Marshall | concrete Luten arch |
| Monona Township Culvert | 1899 | 1998-06-25 | Luana 43°2′39″N 91°28′35″W﻿ / ﻿43.04417°N 91.47639°W﻿ / 43.04417; -91.47639﻿ (Monona Township Culvert) | Clayton | Stone arch culvert |
| Moore's Ford Bridge | 1884 | 1998-05-15 | Monticello 42°16′47″N 90°55′40″W﻿ / ﻿42.27972°N 90.92778°W﻿ / 42.27972; -90.92778﻿ (Moore's Ford Bridge) | Jones | pinned Pratt through truss |
| Morgan Bridge | 1891 | 1998-05-15 | Peru 41°10′16″N 93°55′55″W﻿ / ﻿41.17111°N 93.93194°W﻿ / 41.17111; -93.93194﻿ (Morgan Bridge) | Madison | pinned Pratt through truss |
| Nishnabotna River Bridge | 1929, 1930 | 1998-05-15 | Henderson 41°5′21″N 95°28′49″W﻿ / ﻿41.08917°N 95.48028°W﻿ / 41.08917; -95.48028﻿ (Nishnabotna River Bridge) | Mills | riveted Warren pony truss |
| Nishnabotna River Bridge | by 1945 | 1999-03-12 | Manilla 41°52′0″N 95°16′0″W﻿ / ﻿41.86667°N 95.26667°W﻿ / 41.86667; -95.26667﻿ (Nishnabotna River Bridge) | Crawford | Bowstring pony arch-truss |
| Nishnabotna River Bridge | ca. 1945 | 1998-06-25 | Manilla 41°56′8″N 95°13′8″W﻿ / ﻿41.93556°N 95.21889°W﻿ / 41.93556; -95.21889﻿ (Nishnabotna River Bridge) | Crawford | Bowstring pony arch truss |
| Nodaway River Bridge | 1876 | 1998-05-15 | Grant 41°8′52″N 95°2′31″W﻿ / ﻿41.14778°N 95.04194°W﻿ / 41.14778; -95.04194﻿ (Nodaway River Bridge) | Montgomery | Bowstring pony arch-truss |
| North Skunk River Bridge | 1920 | 1998-05-15 | New Sharon 41°29′41″N 92°38′0″W﻿ / ﻿41.49472°N 92.63333°W﻿ / 41.49472; -92.63333﻿ (North Skunk River Bridge) | Mahaska | pinned Parker through truss |
| Oakland Mills Bridge | 1876 | 1998-05-15 | Mount Pleasant 40°56′7″N 91°37′9″W﻿ / ﻿40.93528°N 91.61917°W﻿ / 40.93528; -91.61917﻿ (Oakland Mills Bridge) | Henry | pinned Pratt through truss |
| Okoboji Bridge | 1909 | 1998-06-25 | Milford 43°15′39″N 95°13′46″W﻿ / ﻿43.26083°N 95.22944°W﻿ / 43.26083; -95.22944﻿ (Okoboji Bridge) | Dickinson | Pratt/Warren pony truss |
| Olympic Avenue Bridge | 1913 | 1998-06-25 | Carroll 42°6′53″N 94°48′45″W﻿ / ﻿42.11472°N 94.81250°W﻿ / 42.11472; -94.81250﻿ (Olympic Avenue Bridge) | Carroll | Riveted Warren pony truss |
| Otter Creek Bridge | 1917 | 1998-06-25 | Oelwein 42°41′10″N 91°56′49″W﻿ / ﻿42.68611°N 91.94694°W﻿ / 42.68611; -91.94694﻿ (Otter Creek Bridge) | Fayette | Concrete through girder |
| Pine Mill Bridge | 1878 | 1998-05-15 | Muscatine 41°28′36″N 90°52′56″W﻿ / ﻿41.47667°N 90.88222°W﻿ / 41.47667; -90.88222﻿ (Pine Mill Bridge) | Muscatine | pinned Pratt through truss |
| Plattsmouth Bridge | 1929 | 1993-04-15 | Pacific Junction 41°0′2″N 95°51′58″W﻿ / ﻿41.00056°N 95.86611°W﻿ / 41.00056; -95.86611﻿ (Plattsmouth Bridge) | Mills | Cantlevered through truss |
| Quail Avenue Bridge | 1913 | 1998-06-25 | Carroll 42°1′50″N 94°47′0″W﻿ / ﻿42.03056°N 94.78333°W﻿ / 42.03056; -94.78333﻿ (Quail Avenue Bridge) | Carroll | Riveted Warren pony truss |
| Quarry Bridge | 1885 | 1998-05-15 | Quarry 42°1′35″N 92°48′29″W﻿ / ﻿42.02639°N 92.80806°W﻿ / 42.02639; -92.80806﻿ (Quarry Bridge) | Marshall | pinned Whipple through truss |
| Read Township Culvert | 1899 | 1999-03-12 | Elkader 42°50′1″N 91°19′8″W﻿ / ﻿42.83361°N 91.31889°W﻿ / 42.83361; -91.31889﻿ (Read Township Culvert) | Clayton | Stone arch culvert |
| Red Bridge | 1892 | 1998-05-15 | Monroe 41°32′28″N 93°1′15″W﻿ / ﻿41.54111°N 93.02083°W﻿ / 41.54111; -93.02083﻿ (Red Bridge) | Jasper | pinned Warren through truss |
| Red Bridge | 1920 | 1998-06-25 | Postville 43°7′51″N 91°25′28″W﻿ / ﻿43.13083°N 91.42444°W﻿ / 43.13083; -91.42444﻿ (Red Bridge) | Allamakee | Timber/iron Pratt truss |
| River Street Bridge | 1924 | 1998-05-15 | Iowa Falls 42°31′11″N 93°16′5″W﻿ / ﻿42.51972°N 93.26806°W﻿ / 42.51972; -93.26806﻿ (River Street Bridge) | Hardin | open spandrel arch |
| River Street Bridge | 1912 | 1998-06-25 | Marble Rock 42°58′2″N 92°52′5″W﻿ / ﻿42.96722°N 92.86806°W﻿ / 42.96722; -92.86806﻿ (River Street Bridge) | Floyd | Concrete deck girder |
| Robin Avenue Bridge | 1913 | 1998-06-25 | Carroll 42°5′51″N 94°45′51″W﻿ / ﻿42.09750°N 94.76417°W﻿ / 42.09750; -94.76417﻿ (Robin Avenue Bridge) | Carroll | Steel Warren pony truss |
| Rock Falls Bridge | 1929 | 1998-06-25 | Rock Falls 43°12′24″N 93°5′4″W﻿ / ﻿43.20667°N 93.08444°W﻿ / 43.20667; -93.08444﻿ (Rock Falls Bridge) | Cerro Gordo | Open spandrel arch |
| Rockwell City Bridge | 1915 | 1998-06-25 | Rockwell City 42°23′57″N 94°36′25″W﻿ / ﻿42.39917°N 94.60694°W﻿ / 42.39917; -94.60694﻿ (Rockwell City Bridge) | Calhoun | Concrete Marsh arch |
| Roseman Covered Bridge | 1883 | 1976-09-01 | Winterset 41°17′31″N 94°9′5″W﻿ / ﻿41.29194°N 94.15139°W﻿ / 41.29194; -94.15139﻿ (Roseman Covered Bridge) | Madison | Town lattice |
| Savanna-Sabula Bridge | 1931, 1932 | 1999-08-27 | Sabula 42°6′14″N 90°10′1″W﻿ / ﻿42.10389°N 90.16694°W﻿ / 42.10389; -90.16694﻿ (Savanna-Sabula Bridge) | Jackson | Cantilever through truss |
| Shell Rock Bridge | 1915 | 1999-03-12 | Shell Rock 42°42′40″N 92°34′53″W﻿ / ﻿42.71111°N 92.58139°W﻿ / 42.71111; -92.58139﻿ (Shell Rock Bridge) | Butler | Concrete spandrel arch |
| Shellsburg Bridge | 1915 | 1998-06-25 | Shellsburg 41°54′48″N 91°52′20″W﻿ / ﻿41.91333°N 91.87222°W﻿ / 41.91333; -91.87222﻿ (Shellsburg Bridge) | Benton | Concrete spandrel arch |
| Skunk River Bridge | 1876, 1916 | 1998-05-15 | Ames 41°59′12″N 93°35′13″W﻿ / ﻿41.98667°N 93.58694°W﻿ / 41.98667; -93.58694﻿ (Skunk River Bridge) | Story | pinned Warren through truss |
| Snider Bridge | 1885 | 1998-06-25 | Corning 40°59′28″N 94°36′38″W﻿ / ﻿40.99111°N 94.61056°W﻿ / 40.99111; -94.61056﻿ (Snider Bridge) | Adams | Pinned Pratt pony truss |
| South Omaha Bridge | 1933–1935 | 1992-06-29 | Council Bluffs 41°12′47″N 95°55′57″W﻿ / ﻿41.21306°N 95.93250°W﻿ / 41.21306; -95.93250﻿ (South Omaha Bridge) | Pottawattamie | Warren through truss |
| Southwest Fifth St. Bridge | 1898 | 1998-05-15 | Des Moines 41°34′37″N 93°37′10″W﻿ / ﻿41.57694°N 93.61944°W﻿ / 41.57694; -93.61944﻿ (Southwest Fifth St. Bridge) | Polk | pinned Pratt through truss |
| Squaw Creek Bridge | 1917 | 1998-06-25 | Ridgeport 42°26′44″N 93°45′39″W﻿ / ﻿42.44556°N 93.76083°W﻿ / 42.44556; -93.76083﻿ (Squaw Creek Bridge) | Boone | Concrete Marsh arch |
| Squaw Creek Bridge 2 | 1918 | 1998-06-25 | Ridgeport 42°11′44″N 93°46′31″W﻿ / ﻿42.19556°N 93.77528°W﻿ / 42.19556; -93.77528﻿ (Squaw Creek Bridge 2) | Boone | Concrete Marsh arch |
| State Street Bridge | 1903 | 1998-06-25 | Mason City 43°9′7″N 93°11′29″W﻿ / ﻿43.15194°N 93.19139°W﻿ / 43.15194; -93.19139﻿ (State Street Bridge) | Cerro Gordo | Filled spandrel arch |
| Stewart Avenue Bridge | 1914 | 1998-06-25 | Mason City 43°9′24″N 93°11′25″W﻿ / ﻿43.15667°N 93.19028°W﻿ / 43.15667; -93.19028﻿ (Stewart Avenue Bridge) | Cerro Gordo | Filled spandrel arch |
| Steyer Bridge | 1875 | 1983-01-04 | Decorah 43°17′54″N 91°48′39″W﻿ / ﻿43.29833°N 91.81083°W﻿ / 43.29833; -91.81083﻿ (Steyer Bridge) | Winneshiek | |
| Stoe Creek Bridge | 1913 | 1998-06-25 | Oelwein 42°47′30″N 92°0′8″W﻿ / ﻿42.79167°N 92.00222°W﻿ / 42.79167; -92.00222﻿ (Stoe Creek Bridge) | Fayette | Concrete through girder |
| Storm Creek Bridge | 1913 | 1998-06-25 | Carroll 42°6′7″N 94°48′11″W﻿ / ﻿42.10194°N 94.80306°W﻿ / 42.10194; -94.80306﻿ (Storm Creek Bridge) | Carroll | Steel Warren pony truss |
| Storm Creek Bridge 2 | 1913 | 1998-06-25 | Carroll 42°4′42″N 94°46′49″W﻿ / ﻿42.07833°N 94.78028°W﻿ / 42.07833; -94.78028﻿ (Storm Creek Bridge 2) | Carroll | Steel Warren pony truss |
| Sumner Bridge | 1916, 1917 | 1998-06-25 | Sumner 43°4′39″N 91°53′21″W﻿ / ﻿43.07750°N 91.88917°W﻿ / 43.07750; -91.88917﻿ (Sumner Bridge) | Fayette | Concrete deck girder |
| Sutliff Bridge | 1897, 1898 | 1998-05-15 | Iowa City 41°50′33″N 91°1′59″W﻿ / ﻿41.84250°N 91.03306°W﻿ / 41.84250; -91.03306﻿ (Sutliff Bridge) | Johnson | pinned Parker through truss |
| Taylor's Ford Bridge | 1872 | 1998-06-25 | Independence 42°23′58″N 91°48′46″W﻿ / ﻿42.39944°N 91.81278°W﻿ / 42.39944; -91.81278﻿ (Taylor's Ford Bridge) | Buchanan | Bowstring through arch-truss |
| Third Street Bridge | 1917 | 2018-05-31 | Waverly 42°43′15″N 92°28′01″W﻿ / ﻿42.72083°N 92.46694°W﻿ / 42.72083; -92.46694﻿ (Third Street Bridge (Waverly, Iowa)) | Bremer | Riveted Pratt through truss |
| Tremaine Bridge | 1902 | 1998-05-15 | Webster City 42°23′12″N 93°48′31″W﻿ / ﻿42.38667°N 93.80861°W﻿ / 42.38667; -93.80861﻿ (Tremaine Bridge) | Hamilton | Camelback through truss |
| Twin Bridge | 1910 | 1998-06-25 | Fayette 42°50′4″N 91°51′53″W﻿ / ﻿42.83444°N 91.86472°W﻿ / 42.83444; -91.86472﻿ (Twin Bridge) | Fayette | Concrete Luten arch |
| Upper Bluffton Bridge | 1880 | 1998-05-15 | Bluffton 43°24′18″N 91°55′12″W﻿ / ﻿43.40500°N 91.92000°W﻿ / 43.40500; -91.92000﻿ (Upper Bluffton Bridge) | Winneshiek | Pinned Pratt through truss |
| Upper Iowa River Bridge | 1913, 1914 | 1998-06-25 | Dorchester 43°25′57″N 91°24′43″W﻿ / ﻿43.43250°N 91.41194°W﻿ / 43.43250; -91.41194﻿ (Upper Iowa River Bridge) | Allamakee | Riveted Pratt through truss |
| Upper Paris Bridge | 1879 | 1998-05-15 | Coggon 42°14′40″N 91°35′4″W﻿ / ﻿42.24444°N 91.58444°W﻿ / 42.24444; -91.58444﻿ (Upper Paris Bridge) | Linn | pinned Whipple through truss |
| Vine Street Bridge | 1910 | 1998-06-25 | West Union 42°57′33″N 91°49′9″W﻿ / ﻿42.95917°N 91.81917°W﻿ / 42.95917; -91.81917﻿ (Vine Street Bridge) | Fayette | Concrete Luten arch |
| Wabash Railroad Bridge | 1882 | 1998-05-15 | Pella 41°20′26″N 92°56′25″W﻿ / ﻿41.34056°N 92.94028°W﻿ / 41.34056; -92.94028﻿ (Wabash Railroad Bridge) | Marion | pinned Pratt through truss |
| Wapsipinicon River Bridge | 1926, 1927 | 1998-06-25 | Independence 42°27′31″N 91°53′27″W﻿ / ﻿42.45861°N 91.89083°W﻿ / 42.45861; -91.89083﻿ (Wapsipinicon River Bridge) | Buchanan | Concrete spandrel arch |
| Washington Avenue Bridge | 1934 | 1998-05-15 | Iowa Falls 42°31′11″N 93°16′16″W﻿ / ﻿42.51972°N 93.27111°W﻿ / 42.51972; -93.27111﻿ (Washington Avenue Bridge) | Hardin | open spandrel arch |
| Washington Mill Bridge | 1877, 1878 | 1998-06-25 | Bernard 42°18′15″N 90°46′49″W﻿ / ﻿42.30417°N 90.78028°W﻿ / 42.30417; -90.78028﻿ (Washington Mill Bridge) | Dubuque | Bowstring through arch-truss |
| West Auburn Bridge | 1880, 1881 | 1998-06-25 | West Union 43°0′59″N 91°52′43″W﻿ / ﻿43.01639°N 91.87861°W﻿ / 43.01639; -91.87861﻿ (West Auburn Bridge) | Fayette | Pinned Whipple through truss |
| Winnebago River Bridge | 1926 | 1998-06-25 | Mason City 43°11′35″N 93°12′37″W﻿ / ﻿43.19306°N 93.21028°W﻿ / 43.19306; -93.21028﻿ (Winnebago River Bridge) | Cerro Gordo | Concrete deck girder |
| Yellow Smoke Park Bridge | ca. 1945 | 1998-06-25 | Denison 42°0′31″N 95°19′38″W﻿ / ﻿42.00861°N 95.32722°W﻿ / 42.00861; -95.32722﻿ (Yellow Smoke Park Bridge) | Crawford | Bowstring pony arch-truss |
| Beaver Creek Bridge | 1946 | 1998-06-25 removed 2020-07-31 | Schleswig 42°11′48″N 95°30′54″W﻿ / ﻿42.19667°N 95.51500°W﻿ / 42.19667; -95.51500﻿ (Beaver Creek Bridge) | Crawford | Bowstring pony arch-truss |
| Bridge near New Sharon | ca. 1900 | 1998-05-15 removed 2008-09-10 | New Sharon 41°22′26″N 92°43′51″W﻿ / ﻿41.37389°N 92.73083°W﻿ / 41.37389; -92.73083﻿ (Bridge near New Sharon) | Mahaska | pipe kingpst pony truss |
| Cedar Covered Bridge | 1920 | 1976-08-28 removed 2002-10-18 | Winterset | Madison | This covered bridge was destroyed by arson in 2002. It has been rebuilt. |
| Clay Avenue Bridge | 1910 | removed 2002-05-08 | Drakesville | Davis | Riveted Warren beadstead |
| Coon Rapids Bridge | 1922, 1923 | 1998-06-25 removed 2014-10-15 | Coon Rapids 41°51′54″N 94°40′38″W﻿ / ﻿41.86500°N 94.67722°W﻿ / 41.86500; -94.67722﻿ (Coon Rapids Bridge) | Carroll | Riveted Warren deck truss |
| County Road Bridge 15 | 1905 | removed 2003-12-15 | Elkader | Clayton | Stone arch |
| Crane Creek Bridge | 1910, 1911 | removed 2003-11-03 | Waterloo | Black Hawk | Riveted camelback pony-truss |
| Delta Covered Bridge | 1867, 1869 | removed 2003-11-03 | Delta | Keokuk | |
| East Soldier River Bridge | ca. 1945 | 1998-06-25 removed 2020-07-31 | Charter Oak 42°3′28″N 95°38′1″W﻿ / ﻿42.05778°N 95.63361°W﻿ / 42.05778; -95.63361﻿ (East Soldier River Bridge) | Crawford | Bowstring pony arch-truss |
| Flint River Bridge | 1883 | 1998-06-25 removed 2014-10-15 | Burlington 40°54′19″N 91°13′22″W﻿ / ﻿40.90528°N 91.22278°W﻿ / 40.90528; -91.22278﻿ (Flint River Bridge) | Des Moines | Pinned Pratt through truss |
| Freeport Bowstring Arch Bridge | 1879 | 1984-04-19 2008-09-10 | Freeport 43°18′10″N 91°44′22″W﻿ / ﻿43.30278°N 91.73944°W﻿ / 43.30278; -91.73944﻿ (Freeport Bowstring Arch Bridge) | Winneshiek | Hexagonal Plate Channel Arch |
| Indian Creek Bridge II | 1888, 1889 | removed 1999-03-11 | Marion | Linn | pinned Pratt through truss |
| Keosauqua Bridge | 1938, 1939 | 1998-05-15 removed 2008-09-10 | Keosauqua 40°43′40″N 91°57′35″W﻿ / ﻿40.72778°N 91.95972°W﻿ / 40.72778; -91.95972﻿ (Keosauqua Bridge) | Van Buren | Riveted Warren through truss |
| McBride Covered Bridge | 1871 | removed 1987-09-23 | Winterset | Madison | Town lattice |
| McDowell Bridge | 1883 | 1998-05-15 removed 2012-05-10 | Montezuma 41°31′14″N 92°40′32″W﻿ / ﻿41.52056°N 92.67556°W﻿ / 41.52056; -92.67556﻿ (McDowell Bridge) | Poweshiek | bowstring through arch-truss |
| Monsrud Bridge | 1887 | 1998-06-25 removed 2022-04-12 | Waterville 43°13′9″N 91°19′36″W﻿ / ﻿43.21917°N 91.32667°W﻿ / 43.21917; -91.32667﻿ (Monsrud Bridge) | Allamakee | Bowstring pony arch-truss |
| Otranto Bridge | 1899 | 1998-05-15 removed 2020-10-20 | St. Ansgar 43°27′29″N 92°58′55″W﻿ / ﻿43.45806°N 92.98194°W﻿ / 43.45806; -92.98194﻿ (Otranto Bridge) | Mitchell | Camelback through truss |
| Otter Creek Bridge | 1870 | removed 2004-06-22 | Hazleton | Buchanan | Bolted Pratt pony truss |
| Otterville Bridge | 1875, 1876 | removed 2002-01-14 | Independence | Buchanan | Pinned Pratt through truss |
| Rubio Bridge | 1904 | removed 2002-11-11 | Rubio | Washington | Pennsylvania through truss |
| Soper's Mill Bridge | 1876 | removed 2003-12-15 | Ames | Story | Pony bowstring truss bridge |
| Suspension Bridge | 1906 | 1989-10-30 removed 2009-01-09 | Charles City 43°4′15″N 92°41′10″W﻿ / ﻿43.07083°N 92.68611°W﻿ / 43.07083; -92.68611﻿ (Suspension Bridge) | Floyd | Suspension foot bridge |
| Ten Mile Creek Bridge | ca. 1895 | 1998-05-15 removed 2017-05-02 | Decorah 43°20′17″N 91°53′18″W﻿ / ﻿43.33806°N 91.88833°W﻿ / 43.33806; -91.88833﻿ (Ten Mile Creek Bridge) | Winneshiek | Kingpost pony truss |
| Toledo Bridge | 1912 | 1998-05-15 removed 2009-01-09 | Toledo 41°59′32″N 92°35′30″W﻿ / ﻿41.99222°N 92.59167°W﻿ / 41.99222; -92.59167﻿ (Toledo Bridge) | Tama | riveted Pratt through truss |
| Turkey River Bridge | 1873 | 1998-05-15 removed 2014-10-15 | Festina 43°0′17″N 91°54′10″W﻿ / ﻿43.00472°N 91.90278°W﻿ / 43.00472; -91.90278﻿ (Turkey River Bridge) | Winneshiek | Bowstring through arch-truss |
| White Water Creek Bridge | 1868 | 1998-06-25 removed 2012-05-09 | Bernard 42°18′16″N 90°54′41″W﻿ / ﻿42.30444°N 90.91139°W﻿ / 42.30444; -90.91139﻿ (White Water Creek Bridge) | Dubuque | Pinned Pratt through truss |
| Welsh Bridge | 1905 | removed 2003-12-15 | Somers | Calhoun | Riveted Warren pony truss |
| Yellow Spring Creek Bridge | 1916, 1917 | removed 2003-12-15 | Mediapolis | Des Moines | Half-hip Pratt pony truss |