| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Big Blackfoot River Bridge | CR 104 over Big Blackfoot River | Open to traffic | Pony truss | 1931 | -- | 101.1 ft. | 189.0 ft. |
| Big Blackfoot River Bridge | CR 111 over Big Blackfoot River | Open to traffic | Through truss | 1914 | -- | 89.9 ft. | 92.9 ft. |
| Blackfoot River Bridge | MT 141 over Blackfoot River | No longer exists | Truss | 1936 | 2004 | -- | 186.0 ft. |
| Clark Fork Bridge | Service Road over Clark Fork | Open to traffic | Pony truss | 1930 | -- | 39.0 ft. | 46.9 ft. |
| Clark Fork Bridge | CR 019 over Clark Fork | Open to traffic | Pony truss | 1910 | -- | 100.1 ft. | 200.1 ft. |
| Clark Fork Bridge | CR 015 over Clark Fork | Open to traffic | Through truss | 1912 | -- | 126.0 ft. | 128.0 ft. |
| Little Blackfoot River Bridge | CR 52 over Little Blackfoot River | Open to traffic | Through truss | 1908 | -- | 107.9 ft. | 127.0 ft. |
| Little Blackfoot River Bridge | CR 249 over Little Blackfoot River | Open to traffic | Pony truss | 1915 | -- | 60.0 ft. | 62.0 ft. |
| Little Blackfoot River Bridge | CR 186 over Little Blackfoot River | Open to traffic | Pony truss | 1914 | -- | 60.0 ft. | 61.0 ft. |
| North Fork Blackfoot River Bridge | CR 001 over North Fork Blackfoot River | No longer exists | Through truss | 1914 | 2000 | 151.9 ft. | 152.9 ft. |