| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Abernethy Creek Bridge | Holly Lane over Abernethy Creek | Open to traffic | Deck truss | 1933 | -- | -- | 100.1 ft. |
| Armstrong Bridge | OR 224 over Clackamas River | Open to traffic | Truss | 1954 | -- | 240.0 ft. | 403.0 ft. |
| Arrah Wanna Road Bridge | Arrah Wanna Road over Salmon River | Open to traffic | Truss | 1957 | -- | 100.0 ft. | 117.1 ft. |
| Barton Bridge | Bakers Ferry Road over Clackamas River | Open to traffic | Steel through arch | 1970 | -- | 180.0 ft. | 880.0 ft. |
| Bull Run Bridge | Bull Run Road over Bull Run River | Open to traffic | Pennsylvania through truss | 1926 | -- | 240.0 ft. | 240.0 ft. |
| Carter Bridge | OR 224 over Clack River | Open to traffic | Truss | 1954 | -- | -- | 356.0 ft. |
| Carver Bridge | South Springwater Road over Clackamas River | Open to traffic | Through truss | 1930 | -- | 180.0 ft. | 513.0 ft. |
| Cazadero Bridge | Faraday Lake Access Road over Clackamas River | Open to traffic | Steel arch | 1904 | -- | -- | -- |
| Clack River Bridge | OR 224 over Clack River | Open to traffic | Truss | 1952 | -- | -- | 266.1 ft. |
| Clack River Bridge | OR 224 over Clack River | Open to traffic | Truss | 1952 | -- | -- | 276.9 ft. |
| Clackamas River Bridge | USFS Road 45 over Clackamas River | Open to traffic | Truss | 1955 | -- | 200.0 ft. | 279.9 ft. |
| Clackamas River Bridge | Local road over Clackamas River | Open to traffic | Truss | 1948 | -- | -- | 268.1 ft. |
| Collawash River Bridge | Local road over Collawash River | Open to traffic | Arch | 1956 | -- | 159.8 ft. | 326.8 ft. |
| Cripple Creek Bridge | Local road over Cripple Creek | Open to traffic | Timber stringer | 1924 | -- | -- | 17.1 ft. |
| Dhooge Road Bridge | Dhooge Road over Milk Creek | Open to traffic | Truss | 1956 | -- | -- | 92.9 ft. |
| Elk Park Road Bridge | Elk Park Road over Salmon River | Open to traffic | Truss | 1965 | -- | 100.0 ft. | 132.9 ft. |
| Estacada Bridge | OR 211 (HWY 161) over Clackamas River | Open to traffic | Arch | 1936 | -- | -- | 371.1 ft. |
| Estacada Road Bridge | Estacada Road over Du Bois Creek | Open to traffic | Through arch | 1997 | -- | -- | 60.0 ft. |
| Faubion Loop Bridge | Faubion Loop Road over Bear Creek | Open to traffic | Concrete deck girder | 1930 | -- | 37.1 ft. | 37.1 ft. |
| Graves Road Bridge | Graves Road over Milk Creek | Open to traffic | Truss | 1959 | -- | -- | 139.1 ft. |
| Kuehn Road Bridge | Kuehn Road over Kellogg Creek | Open to traffic | Truss | 1958 | -- | -- | 50.9 ft. |
| Lusted Road Bridge | Lusted Road over Sandy River | Open to traffic | Pennsylvania through truss | 1926 | -- | 300.0 ft. | 300.0 ft. |
| McLoughlin Boulevard Bridge | OR 99E over Clackamas River | Open to traffic | Steel through arch | 1933 | -- | 240.0 ft. | 730.0 ft. |
| Molalla River Bridge | HWY 01E over Molalla River | Open to traffic | Deck truss | 1936 | -- | -- | 571.9 ft. |
| Oregon City Bridge | Oregon City - West Linn Road over Willamette River | Replaced by new bridge | Suspension | 1888 | 1922 | -- | -- |
| Oswego Creek Bridge | HWY 3 SB over Oswego Creek | Open to traffic | Arch | 1930 | -- | -- | 321.9 ft. |
| Portland Water Works Bridge | City of Portland Bull Run Water Conduits #2 and #4 over Sandy River | Open to traffic | Through truss | 1893 | -- | 300.0 ft. | 300.0 ft. |
| Pudding River Bridge | OR 99E over Pudding River | Open to traffic | Steel through arch | 1947 | -- | -- | 711.0 ft. |
| Revenue Bridge | Ten Eyck Road over Sandy River | Open to traffic | Deck truss | 1952 | -- | -- | 240.2 ft. |
| Salmon River Bridge | E. Brightwood Loop over Salmon River | Open to traffic | Deck truss | 1929 | -- | 100.0 ft. | 220.0 ft. |
| Tualatin River Bridge | NE 33rd Avenue over Tualatin River | Open to traffic | Deck truss | 1939 | -- | -- | 460.0 ft. |
| Willamette River Bridge | Oregon Route 43 over Willamette River | Open to traffic | Steel through arch | 1922 | -- | 360.0 ft. | 745.0 ft. |