| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Bitterroot River Bridge | CR 600 over Bitterroot River | Open to traffic | Through truss | 1917 | -- | 160.1 ft. | 164.1 ft. |
| Bitterroot River Bridge | US 93 over Bitterroot River | Open to traffic | Through truss | 1940 | -- | 175.9 ft. | 392.1 ft. |
| Sawtooth Creek Bridge | MT 531 over Sawtooth Creek | Open to traffic | Arch | 1972 | -- | 24.9 ft. | 54.1 ft. |
| West Fork Bitterroot River Bridge | CR 701 over West Fork Bitterroot River | Open to traffic | Pony truss | 1940 | -- | 122.1 ft. | 170.0 ft. |