| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|
| Bundy Road Bridge | Bundy Road over Steamboat Channel | Open to traffic | Truss | 1962 | -- | -- | 103.0 ft. |
| Harris Covered Bridge | Harris Road over Marys River | Open to traffic | Howe through truss | 1929 | -- | 75.1 ft. | 137.1 ft. |
| Harris Road Bridge | Harris Road over Mary's River | Open to traffic | Through truss | 1914 | -- | 100.1 ft. | 137.1 ft. |
| Hayden Covered Bridge | Hayden Road over Alsea River | Open to traffic | Howe through truss | 1945 | -- | 90.9 ft. | 150.9 ft. |
| HWY 180 Bridge | WPRR over HWY 180 | Open to traffic | Timber stringer | 1925 | -- | -- | 34.1 ft. |
| Ingram Slough Bridge | E. Ingram Island Road over Ingram Slough | Open to traffic | Through truss | 1963 | -- | 100.1 ft. | 173.9 ft. |
| Llewellyn Road Bridge | Llewellyn Road over Muddy Creek | Open to traffic | Truss | 1955 | -- | -- | 133.9 ft. |
| Marys River Bridge | Northbound OR 99W over Marys River | Open to traffic | Truss | 1933 | -- | -- | 301.9 ft. |
| McFarland Road Bridge | McFarland Road over Muddy Creek | Open to traffic | Truss | 1963 | -- | -- | 133.9 ft. |
| Miller Creek Bridge | OR 99W over Miller Creek | Open to traffic | Timber stringer | 1933 | -- | -- | 105.0 ft. |
| North Fork Alsea River Bridge | OR 34 (HWY 027) over North Fork Alsea River | Open to traffic | Truss | 1927 | -- | -- | 170.0 ft. |
| North Fork Alsea River Bridge | HWY 201 over North Fork Alsea River | Open to traffic | Truss | 1937 | -- | -- | 219.2 ft. |
| Van Buren Bridge | EB (HWY 210) over Willamette River | Open to traffic | Truss | 1913 | -- | 249.0 ft. | 708.0 ft. |
| Willamette River Bridge | Eastbound US 20 (HWY 031) over Willamette River | Open to traffic | Through truss | 1925 | -- | 200.1 ft. | 1089.9 ft. |