| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Capital Blvd. Bridge | Capital Blvd. over Boise River | Open to traffic | Arch | 1931 | -- | 76.1 ft. | 303.2 ft. |
| Fairview Avenue Bridge | Fairview Avenue over Boise River | Open to traffic | Arch | 1932 | -- | 69.9 ft. | 378.0 ft. |
| Mores Creek Bridge | ID 21 over Mores Creek (Lucky Peak Reservoir) | Open to traffic | Steel arch | 1953 | -- | 432.1 ft. | 848.1 ft. |