| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Canyon Creek Road Bridge | Canyon Creek Road over Canyon Creek | Open to traffic | Timber stringer | 1930 | -- | 30.8 ft. | 34.1 ft. |
| Fall Creek Bridge | Bridge over Fall Creek | Open to traffic | Timber stringer | 1935 | -- | 24.9 ft. | 25.9 ft. |
| James Creek Summit Road Bridge | James Creek Summit Road over Elk Creek | Open to traffic | Timber stringer | 1940 | -- | 24.9 ft. | 25.9 ft. |
| Kirby Bridge | STC 3809 over Middle Fork Boise River | Open to traffic | Deck truss | 1991 | -- | 130.9 ft. | 137.1 ft. |
| Little Canyon Creek Bridge | 4th Avenue over Little Canyon Creek | Open to traffic | Timber stringer | 1935 | -- | 29.9 ft. | 30.8 ft. |
| Loftus Bridge | STC 3809 over Middle Fork Boise River | Open to traffic | Through truss | 1962 | -- | 75.1 ft. | 225.1 ft. |
| Queens River No. 2 Bridge | STC 3809 over Queens River No. 2 | Open to traffic | Through truss | 1962 | -- | 60.0 ft. | 63.0 ft. |