| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| Bitterroot River Railroad Bridge | Railroad over Bitterroot River | Open to traffic | Through truss | -- | -- | -- | -- |
| Black Bridge | Pedestrian trail (old alignment of US 12) over Clark Fork River | Open to pedestrians | Parker through truss | 1921 | -- | 222.0 | -- |
| Blackfoot River Bridge | CR L1730 over Blackfoot River | Open to traffic | Through truss | 1907 | -- | 149.9 | 215.9 |
| Blackfoot River Bridge | MT 200 over Blackfoot River | Open to traffic | Deck truss | 1940 | -- | 149.9 | 445.9 |
| Clark Fork River Railroad Bridge | Railroad over Clark Fork River | Open to traffic | Warren deck truss with all verticals | -- | -- | 165.0 | 568.0 |
| Clark Fork River Railroad Bridge | Railroad over Clark Fork River | Open to traffic | Deck truss | -- | -- | -- | 884.0 |
| Clark Fork River Railroad Bridge | Railroad over Clark Fork River | Open to traffic | Pratt through truss | -- | -- | 165.0 | -- |
| Harpers Bridge | Bridge over Bitterroot River | Lost | Unknown | -- | -- | -- | -- |
| Maclay Bridge | North Avenue (CR L1390) over Bitterroot River | Open to traffic | Parker through truss | 1935 | -- | 180.1 | 346.1 |
| Milwaukee Road Railroad Overpass | Orange Street over Milwaukee Road Railroad (abandoned) | Open to traffic | Concrete tee beam | 1936 | -- | 50.9 | 209.0 |
| Orange Street Bridge | Orange Street over Clark Fork | Replaced by new bridge | Warren deck truss | 1937 | 2003 | 129.9 | 503.0 |
| Rattlesnake Creek Pedestrian Bridge | Bridge over Rattlesnake Creek | Open to pedestrians | Wire suspension | 2006 | -- | -- | -- |
| Van Buren Street Footbridge | Van Buren Street (Old Van Buren Street Pedestrian Walkway) over Clark Fork River | Open to pedestrians | Pratt through truss | 1892 | -- | -- | -- |
| Vine Street Bridge | Vine Street over Rattlesnake Creek | Open to traffic | Deck arch | 1945 | -- | 68.2 | 89.9 |