| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Boxelder Creek Bridge | County road over Boxelder Creek | No longer exists | Through truss | ca. 1920 | 2002 | 151.9 ft. | 154.9 ft. |
| Cheyenne River Bridge | County road over Cheyenne River | Open to traffic | Warren deck truss | 1940 | -- | 149.9 ft. | 977.1 ft. |
| County Road Bridge | County road over Unnamed creek | Unknown status | Pony truss | ca. 1920 | -- | 40.0 ft. | 43.0 ft. |
| Hammerquist Road Bridge | Hammerquist Road over Rapid Creek | Open to traffic | Closed-spandrel arch | 1916 | -- | 50.9 ft. | 50.9 ft. |
| Keystone Interchange Bridge | US 16A East over US 16A West | Open to traffic | Arch | 1968 | -- | 154.9 ft. | 290.0 ft. |