| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Beaver Creek Bridge | SD 87 over Beaver Creek | Open to traffic | Open-spandrel arch | 1929 | -- | 120.1 ft. | 220.2 ft. |
| Cheyenne River Bridge | CR 656 over Cheyenne River | Open to traffic | Through truss | 1934 | -- | 150.9 ft. | 693.9 ft. |
| French Creek Bridge | SD 87 over French Creek | Open to traffic | Closed-spandrel arch | 1937 | -- | 32.2 ft. | 69.9 ft. |
| French Creek Bridge | County road over French Creek | Open to traffic | Pony truss | 1950 | -- | 68.9 ft. | 69.9 ft. |