| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Alexandra Avenue Bridge | NW Alexandra Avenue over Canyon | Open to traffic | Arch | 1922 | -- | 149.9 ft. | 272.0 ft. |
| Beaver Creek Bridge | Historical Columbia River Highway over Beaver Creek | Open to traffic | Concrete deck girder | 1915 | -- | 40.0 ft. | 40.0 ft. |
| BNSF Railroad Bridge | US 30 Bypass over BNSF Railroad | Open to traffic | Deck truss | 1909 | -- | -- | 339.9 ft. |
| BNSF Railroad Bridge 5.1 | BNSF Railroad Line over Willamette River | Open to traffic | Through truss | 1908 | -- | 519.0 ft. | -- |
| Bridal Veil Creek Bridge | Historical Columbia River Highway (HWY 100) over Bridal Veil Creek | Open to traffic | Concrete pony/through girder | 1914 | -- | 29.9 ft. | 118.1 ft. |
| Broadway Street Bridge | Broadway Street over Willamette River | Open to traffic | Other | 1912 | -- | 304.1 ft. | 1742.2 ft. |
| Burnside Bridge | Burnside Bridge over Willamette River | Open to traffic | Other | 1926 | -- | 266.1 ft. | 856.0 ft. |
| Burnside Tunnel | W. Burnside Street under | Open to traffic | Tunnel | 1940 | -- | -- | 230.0 ft. |
| Columbia River Interstate Bridge | I-5 over Columbia River | Open to traffic | Parker through truss | 1917 | -- | 531.0 ft. | 3538.2 ft. |
| Cornell Tunnel No. 1 | NW Cornell Road under | Open to traffic | Tunnel | 1940 | -- | -- | 497.1 ft. |
| Cornell Tunnel No. 2 | NW Cornell Road under | Open to traffic | Tunnel | 1941 | -- | -- | 247.1 ft. |
| Eagle Creek Bridge | Service Road over Eagle Creek | Open to traffic | Arch | 1914 | -- | 60.4 ft. | 103.0 ft. |
| East Multnomah Falls Viaduct | Historical Columbia River Highway over rocky terrain along railroad tracks | Open to traffic | Other | 1914 | -- | 9.8 ft. | 860.9 ft. |
| Fessenden Street Bridge | Fessenden Street over BNSF Railroad | Open to traffic | Deck truss | 1909 | -- | 89.9 ft. | 164.1 ft. |
| Fremont Bridge | I-405 over Willamette River | Open to traffic | Steel through arch | 1973 | -- | 2154.0 ft. | 2154.0 ft. |
| Grand Avenue Viaduct | Grand Avenue over UPRR & I-84 | Open to traffic | Girder | 1907 | -- | 113.9 ft. | 352.1 ft. |
| Hawthorne Avenue Bridge | Hawthorne Avenue over Willamette River | Open to traffic | Pratt through truss | 1910 | -- | 251.0 ft. | 1382.9 ft. |
| Horsetail Creek Bridge | Historical Columbia River Highway over Horsetail Creek | Open to traffic | Slab | 1914 | -- | 20.0 ft. | 62.0 ft. |
| Latourell Creek Bridge | Historical Columbia River Highway (HWY 100) over Latourell Creek | Open to traffic | Arch | 1914 | -- | 80.0 ft. | 313.0 ft. |
| Marquam Bridge | I-5 over Willamette River Marquam | Open to traffic | Deck truss | 1966 | -- | 440.0 ft. | 1044.0 ft. |
| Martin Luther King Jr. Blvd Viaduct | Oregon 99E over UPRR & Division Street | Open to traffic | Stringer | 1937 | -- | 60.0 ft. | 1639.2 ft. |
| McCord Creek Bridge | Historic Columbia River Highway (US 30) over McCord Creek | Replaced by new bridge | Concrete deck girder | 1915 | 1962 | -- | 365.0 ft. |
| Moffett Creek Bridge | Historic Columbia River Highway (Abandoned) over Moffett Creek | Open to pedestrians | Closed-spandrel arch | 1915 | -- | 170.0 ft. | 207.0 ft. |
| Morrison Street Bridge | Morrison Street over Willamette River | Open to traffic | Other | 1958 | -- | 339.9 ft. | 759.9 ft. |
| Multnomah Channel Bridge | FAS A668 over Multnomah Channel | Replaced by a new bridge in June 2008 | Through truss | 1948 | 2008 | 200.1 ft. | 1198.2 ft. |
| Multnomah Creek Bridge | Historical Columbia River Highway (HWY 100) over Multnomah Creek | Open to traffic | Arch | 1914 | -- | 38.0 ft. | 67.0 ft. |
| Newbury Street Viaduct | OR 99W over SW Newbury Street | Open to traffic | Timber stringer | 1934 | -- | -- | 377.0 ft. |
| Oneonta Creek Bridge | Historical Columbia River Highway over Oneonta Creek | Open to traffic | Concrete deck girder | 1914 | -- | 20.0 ft. | 82.0 ft. |
| Rocky Butte Tunnel | Rocky Butte Road under Rocky Butte | Open to traffic | Tunnel | 1939 | -- | -- | 400.0 ft. |
| Ross Island Bridge | US 26 over Willamette River | Open to traffic | Steel arch | 1926 | -- | 535.0 ft. | 3649.1 ft. |
| Sellwood Bridge | Tacoma Street over Willamette River | Open to traffic | Deck truss | 1925 | -- | 300.0 ft. | 1971.0 ft. |
| Shepperds Dell Bridge | Historical Columbia River Highway (HWY 100) over Youngs Creek | Open to traffic | Arch | 1914 | -- | 100.0 ft. | 149.9 ft. |
| Spring Street Bridge | Pedestrian trail over SW Spring Street | Open to pedestrians only | Timber stringer | 1938 | -- | -- | 194.9 ft. |
| St. Johns Bridge | US 30 Bypass over Willamette River | Open to traffic | Wire suspension | 1931 | -- | 1207.0 ft. | 3606.1 ft. |
| Stark Steet Bridge | Stark Steet over Unnamed draw | Open to traffic | Arch | 1915 | -- | -- | 98.1 ft. |
| Stark Street Bridge | Stark Street over Sandy River | Open to traffic | Truss | 1914 | -- | 200.0 ft. | 277.9 ft. |
| Steel Bridge | Pacific Highway West over Willamette River | Open to traffic | Through truss | 1912 | -- | 299.9 ft. | 799.9 ft. |
| Tanner Creek Bridge | Historic Columbia River Highway Trail over Tanner Creek | Open to pedestrians | Concrete deck girder | 1915 | -- | 62.0 ft. | 60.0 ft. |
| Thurman Street Bridge | NW Thurman Street over Balch Gulch | Open to traffic | Deck truss | 1905 | -- | -- | 400.0 ft. |
| Tooth Rock Tunnel | I-84 under Tooth Rock Tunnel | Open to traffic | Tunnel | 1936 | -- | -- | 827.1 ft. |
| Troutdale Bridge | Historical Columbia River Highway (HWY 100) over Sandy River | Open to traffic | Pratt through truss | 1912 | -- | 162.0 ft. | 363.9 ft. |
| Vermont Street Viaduct | OR 99W over SW Vermont Street | Open to traffic | Timber stringer | 1934 | -- | -- | 530.9 ft. |
| Vista Avenue Viaduct | SW Vista Avenue over SW Jefferson | Open to traffic | Open-spandrel arch | 1925 | -- | 248.0 ft. | 548.9 ft. |
| Vista Ridge Tunnel | US 26 under Vista Ridge - Tualatin Mountains | Open to traffic | Tunnel | 1969 | -- | -- | 1001.0 ft. |
| West Multnomah Falls Viaduct | Historical Columbia River Highway over rocky terrain along railroad tracks | Open to traffic | Other | 1914 | -- | 20.0 ft. | 401.9 ft. |
| Willamette Blvd. Bridge | Willamette Blvd. over BNSF Railroad | Open to traffic | Deck truss | 1909 | -- | 90.9 ft. | 339.9 ft. |