| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Durnam Road Bridge | Durnam Road over Gallatin River | Open to traffic | Truss | 1970 | -- | -- | 76.1 ft. |
| East Gallatin River Bridge | CR 077 over East Gallatin River | Open to traffic | Pony truss | 1928 | -- | 80.1 ft. | 82.0 ft. |
| East Gallatin River Bridge | CR 221 over East Gallatin River | Open to traffic | Pony truss | 1924 | -- | 80.1 ft. | 82.0 ft. |
| East Gallatin River Bridge | CR 229 over East Gallatin River | Open to traffic | Through truss | 1919 | -- | 100.1 ft. | 103.0 ft. |
| Gallatin River Bridge | Squaw Creek Road over Gallatin River | Open to traffic | Closed-spandrel arch | 1935 | -- | 95.8 ft. | 148.0 ft. |
| Gallatin River Bridge | CR 216 over Gallatin River | Open to traffic | Through truss | 1891 | -- | 148.0 ft. | 149.9 ft. |
| Gallatin River Bridge | CR 403 over Gallatin River | Open to traffic | Through truss | 1930 | -- | 137.1 ft. | 141.1 ft. |
| Gallatin River Bridge | CR 494 over Gallatin River | Open to traffic | Through truss | 1919 | -- | 140.1 ft. | 142.1 ft. |
| Gallatin River Bridge | CR 503 over Gallatin River | No longer exists | Pony truss | 1922 | 2001 | 105.0 ft. | 143.1 ft. |
| Gallatin River Bridge | CR 503 over Gallatin River | No longer exists | Pony truss | 1924 | 2001 | 100.1 ft. | 102.0 ft. |
| Gallatin River Bridge | CR 507 over Gallatin River | Open to traffic | Through truss | 1892 | -- | 107.9 ft. | 153.9 ft. |
| Jefferson River Bridge | CR 201 over Jefferson River | Open to traffic | Through truss | 1894 | -- | 109.9 ft. | 155.8 ft. |
| Jefferson River Bridge | CR 410 over Jefferson River | Open to traffic | Through truss | 1898 | -- | 139.1 ft. | 324.2 ft. |
| Markley Ranch Road Bridge | Markley Ranch Road over Gallatin River | Open to traffic | Truss | 1970 | -- | -- | 75.1 ft. |