| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Adams Road Bridge | Adams Road over Wildhorse Creek | Open to traffic | Through truss | 1924 | -- | 80.1 ft. | 82.0 ft. |
| Birch Creek Road Bridge | Birch Creek Road over Walla Walla River | Open to traffic | Through truss | 1956 | -- | 109.9 ft. | 111.9 ft. |
| Cable Creek Road Bridge | Cable Creek Road over Camas Creek | Open to traffic | Through truss | 1975 | -- | 38.1 ft. | 41.0 ft. |
| Camas Creek Bridge | US 395 over Camas Creek | Open to traffic | Deck truss | 1932 | -- | -- | 257.9 ft. |
| Columbia River Bridge | Eastbound I-82 over Columbia River | Open to traffic | Through truss | 1955 | -- | 600.1 ft. | 3380.1 ft. |
| Cooper Road Bridge | Cooper Road over Stage Gulch Ditch | Open to traffic | Timber stringer | 1938 | -- | 23.0 ft. | 24.9 ft. |
| Cunningham Road Bridge | Cunningham Road over Umatilla River | Open to traffic | Through truss | 1928 | -- | 132.9 ft. | 134.8 ft. |
| Dale Bridge | US 395 over North Fork John Day River | Open to traffic | Deck truss | 1932 | -- | -- | 285.1 ft. |
| Despain Gulch Road Bridge | Despain Gulch Road over Despain Gulch | Open to traffic | Truss | 1966 | -- | -- | 41.0 ft. |
| Johnson Road Bridge | Johnson Road over Pine Creek | Open to traffic | Through truss | 1939 | -- | 40.0 ft. | 43.0 ft. |
| Lee Street Bridge | Lee Street over Umatilla River | Open to traffic | Through truss | 1909 | -- | 120.1 ft. | 234.9 ft. |
| Mac Hoke Road Bridge | Mac Hoke Road over Umatilla River | Open to traffic | Through truss | 1950 | -- | 140.1 ft. | 144.0 ft. |
| Meacham Creek Bridge | BIA 600 over Meacham Creek | Open to traffic | Pony truss | 1955 | -- | 100.1 ft. | 102.0 ft. |
| Sams Road Bridge | Sams Road over Dry Creek | Open to traffic | Through truss | 1928 | -- | 39.0 ft. | 42.0 ft. |
| South Ott Road Bridge | South Ott Road over A Line Canal | Open to traffic | Timber stringer | 1939 | -- | 29.9 ft. | 30.8 ft. |
| Steen Road Bridge | Steen Road over Dry Creek | Open to traffic | Truss | 1951 | -- | -- | 63.0 ft. |
| Umatilla Bridge | US 730 over Umatilla River | Open to traffic | Arch | 1925 | -- | 109.9 ft. | 439.0 ft. |
| Umatilla River Bridge | BIA 600 over Umatilla River | Open to traffic | Pony truss | 1955 | -- | 102.0 ft. | 104.0 ft. |