| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Alpine Tunnel | Denver, South Park & Pacific Railroad under Continental Divide | Abandoned and partially caved-in | Tunnel | 1882 | -- | -- | 1800.0 ft. |
| Arkansas River CO 291 Bridge | Bridge over Arkansas River | Open to two-lane traffic on a state highway | Parker pony truss | 1959 | -- | 103.0 ft. | 267.0 ft. |
| Arkansas River CR 166 Bridge | CR 166 over Arkansas River | Open to traffic | Polygonal Warren pony truss | 1989 | -- | 125.0 ft. | 128.9 ft. |
| Arkansas River CR 175 Bridge | Bridge over Arkansas River | Open to two-lane traffic on a paved road | Polygonal Warren pony truss | 1994 | -- | 88.9 ft. | 170.9 ft. |
| Arkansas River CR 371 Bridge | CR 371 over Arkansas River | Open to two-lane traffic on a gravel road | Polygonal Warren pony truss | 1998 | -- | 75.1 ft. | 79.0 ft. |
| Arkansas River Midland Railroad Bridge | Colorado Midland Railroad over Arkansas River | Structure removed except for stone piers | Deck truss | -- | -- | -- | -- |
| Baldwin Creek Bridge | CR 162 over Baldwin Creek | Open to traffic | Steel stringer | 1950 | -- | 23.0 ft. | 23.9 ft. |
| Big Sandy Draw Bridge | US 24 over Big Sandy Draw | Open to traffic | Parker pony truss | 1938 | -- | 80.0 ft. | 84.0 ft. |
| Big Sandy Draw CR 302 Bridge | CR 302 over Big Sandy Draw | Open to traffic | Concrete tee beam | 1922 | -- | 42.0 ft. | 43.0 ft. |
| Brown's Canyon Bridge | CR 191 over Arkansas River | Open to traffic, but road only goes to private land | Concrete deck girder | 1908 | -- | 42.0 ft. | 86.0 ft. |
| Chalk Creek CR 292 Bridge | CR 292 over Chalk Creek | Open to two-lane traffic | Warren pony truss | 1989 | -- | 48.9 ft. | 53.1 ft. |
| Four Mile Bridge | CR 371 over Arkansas River | Replaced by modern bridge | Bedstead Warren pony truss | 1909 | 1987 | 50.0 ft. | 51.0 ft. |
| Granite Bridge | CR 397 over Arkansas River | Open to traffic with a 15 ton weight limit | Pratt pony truss | 1911 | -- | 64.9 ft. | 65.9 ft. |
| Hop Gulch Trestle | Colorado Midland Railroad over Hop Gulch | Structure removed except for stone piers and a few scattered wooden beams | Deck plate girder | 1887 | -- | -- | 330.0 ft. |
| Hortense Bridge | CR 162 over Chalk Creek | Replaced by a new bridge | Queenpost pony truss | 1880 | 1990 | 39.0 ft. | 40.0 ft. |
| Johnson Village Bridge | US 24 over Arkansas River | Open to traffic | Pratt deck truss | 1937 | -- | 125.0 ft. | 352.9 ft. |
| Midland Tunnel No. 1 | CR 371 (formerly the Colorado Midland RR) under a rock formation | Open to one-lane traffic | Tunnel | 1887 | -- | -- | 40.0 ft. |
| Midland Tunnel No. 2 | CR 371 (formerly the Colorado Midland RR) under a rock formation | Open to one-lane traffic | Tunnel | 1887 | -- | -- | 115.1 ft. |
| Midland Tunnel No. 3 | CR 371 (formerly the Colorado Midland RR) under a rock formation | Open to one-lane traffic | Tunnel | 1887 | -- | -- | 165.0 ft. |
| Midland Tunnel No. 4 | CR 371 (formerly the Colorado Midland RR) under a rock formation | Open to one-lane traffic | Tunnel | 1887 | -- | -- | 64.9 ft. |
| Poncha Springs Bridge | US 285 over South Arkansas River | Open to traffic | Parker pony truss | 1938 | -- | 100.0 ft. | 104.0 ft. |
| Railroad Bridge Access Bridge | Bridge over Arkansas River | The bridge and Union Pacific railroad line are currently inactive | Pratt through truss | 1919 | -- | -- | -- |
| Romley Bridge | FR 295 over Chrysolite Creek | Open to pedestrians only | Pratt deck truss | 1881 | -- | 80.0 ft. | 83.0 ft. |
| Salida F Street Bridge | Bridge over Arkansas River | Open to two-lane traffic on a dead-end city street | Closed-spandrel arch | 1907 | -- | 64.0 ft. | 128.0 ft. |
| South Arkansas River CR 105 Bridge | CR 105 over South Arkansas River | Open to traffic | Concrete tee beam | 1945 | -- | 28.8 ft. | 29.8 ft. |
| St. Elmo Bridge | CR 267 over Chalk Creek | Open to one-lane traffic | Steel stringer | 1953 | -- | 38.0 ft. | 41.0 ft. |
| Trout Creek Branch CR 302 Bridge | CR 302 over Branch of Trout Creek | Open to traffic | Concrete tee beam | 1922 | -- | 32.1 ft. | 33.1 ft. |
| Unnamed Creek CR 105 Bridge | CR 105 over Branch of Arkansas River | Open to traffic | Concrete tee beam | 1945 | -- | 21.0 ft. | 23.0 ft. |
| Ute Creek Bridge | CR 153 over Ute Creek | Open to traffic | Steel stringer | 1925 | -- | 32.1 ft. | 33.1 ft. |