| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Apishapa Arch | FR 415 under Rock formation | Open to traffic | Tunnel | 1934 | -- | -- | -- |
| Burro Canyon Bridge | CO 12 over Burro Canyon | Open to traffic | Stone arch | 1936 | -- | 17.0 ft. | 62.0 ft. |
| Christian Canyon CR 121.0 Bridge | CR 121.0 over Christian Canyon Creek | Open to traffic | Pony truss | ca. 1920 | -- | 42.0 ft. | 75.1 ft. |
| Dry Creek CR 105.5 Bridge | CR 105.5 over Dry Creek | Open to traffic | Pony truss | ca. 1930 | -- | 49.8 ft. | 50.8 ft. |
| Elson Bridge | CR 36.0 over Purgatoire River | Replaced by modern bridge | Pratt through truss | 1905 | 1994 | 150.0 ft. | 152.0 ft. |
| Furness Arroyo CR 91.0 Bridge | CR 91.0 over Furness Arroyo | Open to traffic | Arch | ca. 1920 | -- | -- | 36.0 ft. |
| Leitensdorfer Arroyo CR 75.1 Bridge | CR 75.1 over Leitensdorfer Arroyo | Open to traffic | Arch | 1935 | -- | -- | 42.0 ft. |
| Model Ditch Bridge | CR 79.0 over Model Ditch | Open to traffic | Concrete pony/through girder | 1945 | -- | 40.0 ft. | 41.0 ft. |
| Purgatoire Canyon Bridge | CR 143.0 over Purgatoire River | Closed to all traffic | Pratt through truss | 1929 | -- | 120.0 ft. | 233.9 ft. |
| Purgatoire River CO 12 Bridge | CO 12 over Purgatoire River | Open to traffic | Arch | 1925 | -- | 44.9 ft. | 47.9 ft. |
| Purgatoire River US 350 Bridge | US 350 over Purgatoire River | Open to two-lane traffic on a major state highway | Parker pony truss | 1937 | -- | 125.0 ft. | 169.0 ft. |
| Reilly Canyon CR 57.7 Bridge | CR 57.7 over Reilly Canyon Creek | Open to traffic | Pony truss | 1926 | -- | 60.0 ft. | 63.0 ft. |
| Road Canyon Bridge | CR 40.2 over Road Canyon Creek | Open to traffic | Closed-spandrel arch | 1912 | -- | -- | 46.9 ft. |
| San Isidro Creek CR 22.0 Bridge | CR 22.0 over San Isidro Creek | Open to traffic | Pony truss | 1967 | -- | 38.0 ft. | 42.0 ft. |
| Thompson Creek CR 105.5 Bridge | CR 105.5 over Thompson Creek | Open to traffic | Pony truss | ca. 1930 | -- | 49.8 ft. | 50.8 ft. |
| Timpas Creek CR 121.0 Bridge | CR 121.0 over Timpas Creek | Open to traffic | Pony truss | ca. 1920 | -- | 42.0 ft. | 84.9 ft. |
| Trementina Creek Bridge | CR 131.0 over Trementina Creek | Open to traffic | Stone arch | 1936 | -- | 29.8 ft. | 32.1 ft. |
| Trinchera Creek CR 4.4 Bridge | CR 4.4 over Trinchera Creek | Open to traffic | Pony truss | ca. 1950 | -- | 80.0 ft. | 82.0 ft. |
| Zaracillo Canyon Bridge | CO 12 over Zaracillo Canyon | Open to traffic | Concrete tee beam | 1936 | -- | 23.0 ft. | 117.1 ft. |