| Name | Location | Status | Design | Year Built | Year Lost | Span Length (ft.) | Total Length (ft.) |
|---|---|---|---|---|---|---|---|
| Big Thompson Bridge #1 | US 34 over Big Thompson River | Replaced by a new bridge | Parker pony truss | 1937 | -- | 100.0 | 102.0 |
| Big Thompson Bridge #2 | US 34 over Big Thompson River | Replaced by a new bridge | Parker pony truss | 1937 | -- | 100.0 | 102.0 |
| Big Thompson Bridge #3 | US 34 over Big Thompson River | Replaced by modern bridge | Parker pony truss | 1933 | -- | 100.0 | 133.8 |
| Big Thompson Bridge #4 | US 34 over Big Thompson River | Replaced by modern bridge | Parker pony truss | 1933 | -- | 100.0 | 164.0 |
| Cache la Poudre River Bridge | SR 14 over Cache la Poudre River | Replaced by a new bridge | Pony truss | -- | 1990 | -- | -- |
| Dale Creek Bridge | CR 45E over Dale Creek | Open to traffic | Timber stringer | 1932 | -- | 22.0 | 231.0 |
| Fairgrounds Bridge | Park access road over Big Thompson River | Open to traffic | Pratt through truss | 1915 | -- | 96.1 | 98.0 |
| Great Western Sugar Company Bridge | Bridge over Poudre River | Abandoned; Possible future use as a pedestrian crossing | Suspension | 1926 | -- | -- | -- |
| Horse Shoe Canal Bridge | CR 13E over Love/Horse Shoe Canal | Open to traffic | Stone culvert | 1937 | -- | 8.9 | 20.7 |
| Livermore Bridge | Rattlesnake Road over Tributary of North Fork Cache La Poudre River | Replaced by a new bridge | Pratt through truss | -- | -- | -- | -- |
| Pingree Road Bridge | Pingree Road (CR 63E) over Cache La Poudre River | Open to traffic | Warren pony truss | ca. 1960 | -- | 99.0 | 198.1 |
| Poudre Canyon Tunnel | CO 14 under Tunnel | Open to traffic | Tunnel | 1929 | -- | 95.1 | 95.1 |
| Railroad Avenue-Greeley Loveland Canal Bridge | Railroad Avenue over Greeley Loveland Canal | Open to traffic | Concrete tee beam | 1917 | -- | 36.7 | 42.0 |