| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| 128th Avenue Bridge | 128th Avenue over North Bear Creek | Collapsed in a tractor collision | Pony truss | 1949 | 2005 | 70.0 ft. | 71.0 ft. |
| 160th Street Bridge | 160th Street over Turkey River | Replaced in 2004 | Through truss | -- | 2004 | 98.0 ft. | 177.0 ft. |
| 244th Avenue Bridge | 244th Avenue over Upper Iowa River | Open to one-lane traffic | Pratt through truss | 1924 | -- | 100.0 ft. | 248.0 ft. |
| 360th Street Bridge | 360th Street over Upper Iowa River | Open to one-lane traffic | Warren pony truss | 1904 | -- | 73.0 ft. | 147.0 ft. |
| Bear Creek Bridge | Local road over Bear Creek | Open to traffic | Pony truss | 1915 | -- | 49.9 ft. | 52.2 ft. |
| Bohemian Creek Bridge | Local road over Bohemian Creek | Open to traffic | Pony truss | 1922 | -- | 69.9 ft. | 75.1 ft. |
| Bohemian Creek Bridge | Local road over Bohemian Creek | Open to traffic | Pony truss | 1962 | -- | 55.1 ft. | 58.1 ft. |
| Bohemian Creek Bridge | Local road over Bohemian Creek | Open to traffic | Pony truss | 1915 | -- | 55.1 ft. | 57.1 ft. |
| Canoe Creek Bridge | Local road over Canoe Creek | Open to traffic | Pony truss | 1900 | -- | 65.9 ft. | 66.9 ft. |
| Canoe Creek Bridge | Local road over Canoe Creek | Open to traffic | Pony truss | 1942 | -- | 68.9 ft. | 69.9 ft. |
| Canoe Creek Bridge | Local road over Canoe Creek | Open to traffic | Through truss | 1908 | -- | 150.0 ft. | 154.0 ft. |
| Canoe Creek Bridge | Local road over Canoe Creek | No longer exists | Through truss | -- | 2001 | 101.1 ft. | 104.0 ft. |
| Canoe Creek Bridge | Local road over Canoe Creek | Closed to all traffic | Concrete through arch | -- | -- | -- | 79.1 ft. |
| Canoe Creek Bridge | Local road over Canoe Creek | Open to traffic | Pony truss | 1924 | -- | 60.0 ft. | 60.0 ft. |
| Chimney Rock Bridge | Local road over Upper Iowa River | Open to one-lane traffic | Parker through truss | 1906 | -- | 158.1 ft. | 162.1 ft. |
| Clark's Bridge | Local road over Upper Iowa River | Open to one-lane traffic | Pratt through truss | 1913 | -- | 120.1 ft. | 151.9 ft. |
| Cold Water Creek Bridge | Local road over Cold Water Creek | Open to traffic | Pony truss | 1962 | -- | 49.9 ft. | 49.9 ft. |
| Coon Creek Road Bridge | Coon Creek Road over Trout River | Destroyed in a car collision and replaced by a new bridge | Pony truss | 1900 | -- | 69.9 ft. | 70.9 ft. |
| Dry Run Creek Bridge | Local road over Dry Run Creek | Open to traffic | Pony truss | 1941 | -- | 59.1 ft. | 62.0 ft. |
| Dry Run Creek Bridge | Local road over Dry Run Creek | Open to traffic | Pony truss | 1939 | -- | 20.0 ft. | 38.1 ft. |
| Dry Run Creek US 52 Bridge | US 52 over Dry Run Creek | Open to traffic | Arch | 1963 | -- | 84.0 ft. | 103.0 ft. |
| Fifth Avenue Bridge | Fifth Avenue over Upper Iowa River | Replaced by a new bridge | Through truss | ca. 1920 | 2005 | 176.0 ft. | 206.0 ft. |
| Fort Atkinson Bridge | 150th Street over Little Turkey River | Open to one-lane traffic | Pratt through truss | 1892 | -- | 131.9 ft. | 183.1 ft. |
| Freeport Bridge | Footpath over dry ground | Open to pedestrians only | Bowstring through truss | 1878 | -- | -- | 160.0 ft. |
| Gilliece Bridge | Cattle Creek Road over Upper Iowa River | Open to one-lane traffic | Bowstring through truss | 1874 | -- | 129.0 ft. | 151.0 ft. |
| Gunderson Bridge | Trout Run Trail just east of Freeport Bridge at Trout Run Park in Decorah over Trout Run | Open to traffic | Bowstring through truss | 2007 | -- | -- | 0.0 ft. |
| Henry Bridge | Scenic River Road over Upper Iowa River | Open to traffic | Pratt through truss | 1911 | -- | 120.0 ft. | 121.0 ft. |
| I & M Railroad Bridge at Turkey River Overflow | I & M Railroad over Turkey River Overflow parallel to Hwy. 24 Bridge | Open to traffic | Other | -- | -- | -- | -- |
| IA 24 Bridge at Turkey River Overflow | Ia 24 over Turkey River Overflow | Open to traffic | Steel stringer | 1933 | -- | 38.1 ft. | 116.1 ft. |
| Lawrence Bridge | 330th Avenue over Little Turkey River | Closed to all traffic | Pony truss | 1880 | -- | 83.0 ft. | 83.0 ft. |
| Local Road Bridge | Local road over Unnamed creek | No longer exists | Pony truss | 1908 | 2002 | 38.1 ft. | 39.0 ft. |
| Local Road Bridge | Local road over Unnamed creek | No longer exists | Pony truss | -- | 2003 | 60.0 ft. | 61.0 ft. |
| Local Road Bridge | Local road over Unnamed creek | No longer exists | Pony truss | -- | 1999 | 40.0 ft. | 41.0 ft. |
| Moneek Bridge | | Open to pedestrians | Bowstring pony truss | ca. 1872 | -- | -- | -- |
| North Bear Creek Bridge | Local road over North Bear Creek | Open to traffic | Pony truss | 1900 | -- | 60.0 ft. | 60.0 ft. |
| North Bear Creek Bridge | Local road over North Bear Creek | Open to traffic | Through truss | ca. 1950 | -- | 100.0 ft. | 120.0 ft. |
| North Fork Yellow River Bridge | Local road over North Fork of Yellow River | Unknown status | Pony truss | ca. 1910 | -- | 40.0 ft. | 42.0 ft. |
| Oneota Drive Bridge | Oneota Drive over Drainage Channel | Open to traffic | Pony truss | 1948 | -- | 89.9 ft. | 91.9 ft. |
| Pine Creek Bridge | Local road over Pine Creek | Open to traffic | Pony truss | -- | -- | 60.0 ft. | 60.0 ft. |
| Pine Creek Bridge | Local road over Pine Creek | Open to traffic | Pony truss | -- | -- | 70.0 ft. | 72.0 ft. |
| Rogers Creek Sw Street Bridge | Sw Street over Rogers Creek | Open to traffic | Pony truss | -- | -- | 75.1 ft. | 77.1 ft. |
| Steyer Bridge | Oneata Drive over Twin Springs Creek | Open to traffic | Unknown | 1875 | -- | -- | -- |
| Tangen Creek Bridge | Local road over Tangen Creek | Open to traffic | Arch | 1935 | -- | 49.9 ft. | 58.1 ft. |
| Ten Mile Creek Bridge | Happy Hollow Road over Ten Mile Creek | Open to traffic | Kingpost pony truss | ca. 1895 | -- | 35.0 ft. | 36.0 ft. |
| Ten Mile Creek Bridge | Local road over Ten Mile Creek | Open to traffic | Pony truss | 1900 | -- | 69.9 ft. | 69.9 ft. |
| Ten Mile Creek Bridge | Local road over Ten Mile Creek | Open to traffic | Pony truss | 1900 | -- | 32.2 ft. | 32.2 ft. |
| Turkey River Bridge | Little Church Road over Turkey River | Open to traffic | Bowstring through truss | 1873 | -- | 159.1 ft. | 177.2 ft. |
| Turkey River Bridge | Local road over Turkey River | Open to traffic | Pony truss | 1936 | -- | 89.9 ft. | 185.0 ft. |
| Turkey River Bridge | Local road over Turkey River | Open to traffic | Pony truss | 1964 | -- | 70.0 ft. | 147.0 ft. |
| Turkey River Bridge | Local road over Turkey River | Open to traffic | Through truss | 1959 | -- | 109.9 ft. | 110.9 ft. |
| Turkey River Bridge | Local road over Turkey River | Open to traffic | Through truss | 1900 | -- | 109.9 ft. | 109.9 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1916 | -- | 60.0 ft. | 62.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1916 | -- | 49.9 ft. | 53.2 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1965 | -- | 55.1 ft. | 57.1 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1900 | -- | 49.9 ft. | 52.2 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | -- | -- | 54.0 ft. | 55.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1946 | -- | 32.0 ft. | 33.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | ca. 1910 | -- | 60.0 ft. | 60.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | -- | -- | 35.0 ft. | 36.0 ft. |
| Unnamed Creek Bridge | Local road over Unnamed creek | Open to traffic | Pony truss | 1915 | -- | 55.0 ft. | 60.0 ft. |
| Upper Bluffton Bridge | W. Ravine Road over Upper Iowa River | Open to one-lane traffic | Pratt through truss | 1878 | -- | 116.1 ft. | 154.2 ft. |
| Upper Iowa River Bridge | Local road over Upper Iowa River | Open to traffic | Through truss | 1900 | -- | 149.9 ft. | 217.2 ft. |
| Upper Iowa River Bridge | Local road over Upper Iowa River | Open to traffic | Through truss | -- | -- | 114.2 ft. | 196.2 ft. |
| Upper Iowa River Bridge | Local road over Upper Iowa River | No longer exists | Through truss | 1911 | 1999 | 140.1 ft. | 171.9 ft. |
| Upper Iowa River Bridge | Local road over Upper Iowa River | Closed to all traffic | Through truss | 1874 | -- | 109.9 ft. | 168.0 ft. |