| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Big Whiskey Creek Bridge | Local road over Big Whiskey Creek | No longer exists | Pony truss | ca. 1930 | 2004 | 60.0 ft. | 98.0 ft. |
| Big Wright Creek Bridge | Local road over Big Wright Creek | Open to traffic | Pony truss | 1935 | -- | 70.9 ft. | 149.9 ft. |
| Drainage Ditch Garretson Bridge | Local road over Drainage Ditch Garretson | Open to traffic | Pony truss | ca. 1980 | -- | 60.0 ft. | 105.0 ft. |
| Farmers Ditch Bridge | Local road over Farmers Ditch | Closed to all traffic | Pony truss | ca. 1930 | -- | 75.0 ft. | 111.0 ft. |
| Farmers Ditch Bridge | Local road over Farmers Ditch | Open to traffic | Pony truss | -- | -- | 69.9 ft. | 110.9 ft. |
| Little Sioux River Bridge | Local road over Little Sioux River | Open to traffic | Through truss | 1915 | -- | 109.9 ft. | 184.1 ft. |
| Miller Creek Bridge | Local road over Miller Creek | Open to traffic | Pony truss | ca. 1930 | -- | 38.1 ft. | 69.9 ft. |
| Missouri River US 77 Bridge | US 77 over Missouri River | Open to traffic | Steel through arch | 1981 | -- | 425.2 ft. | 1502.4 ft. |
| Pierson Creek Bridge | Local road over Pierson Creek | Open to traffic | Pony truss | 1915 | -- | 70.9 ft. | 117.1 ft. |
| Reynolds Creek Bridge | Local road over Reynolds Creek | Open to traffic | Pony truss | 1935 | -- | 44.9 ft. | 87.9 ft. |
| West Fork Bridge | Local road over West Fork | Open to traffic | Pony truss | ca. 1930 | -- | 50.0 ft. | 119.0 ft. |
| West Fork Little Sioux Bridge | Local road over West Fork Little Sioux | Open to traffic | Pony truss | ca. 1920 | -- | 75.1 ft. | 141.1 ft. |
| West Fork Little Sioux Rive Bridge | IA 982 over West Fork Little Sioux Rive | Unknown status | Pony truss | 1928 | -- | 80.1 ft. | 149.9 ft. |
| West Fork Little Sioux River Bridge | Local road over West Fork Little Sioux River | Open to traffic | Pony truss | 1935 | -- | 69.9 ft. | 111.9 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Open to traffic | Through truss | ca. 1950 | -- | 105.0 ft. | 150.9 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Open to traffic | Through truss | -- | -- | 105.0 ft. | 223.1 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Open to traffic | Pony truss | ca. 1920 | -- | 60.0 ft. | 118.1 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Closed to all traffic | Pony truss | ca. 1940 | -- | 80.0 ft. | 131.0 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Closed to all traffic | Pony truss | ca. 1930 | -- | 75.0 ft. | 151.0 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | No longer exists | Pony truss | 1935 | 2005 | 60.0 ft. | 125.0 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Open to traffic | Pony truss | 1963 | -- | 69.9 ft. | 106.0 ft. |
| Wolf Creek Bridge | Local road over Wolf Creek | Closed to all traffic | Pony truss | 1938 | -- | 60.0 ft. | 102.0 ft. |
| Wolf Creek Bridge | IA 982 over Wolf Creek | Unknown status | Pony truss | 1928 | -- | 80.1 ft. | 149.9 ft. |
| Woodbury Monona Ditch Bridge | Local road over Woodbury Monona Ditch | Closed to all traffic | Pony truss | 1915 | -- | 70.0 ft. | 125.0 ft. |
| Wright Creek Bridge | Local road over Wright Creek | Open to traffic | Pony truss | -- | -- | 60.0 ft. | 107.0 ft. |