| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Coweeman River Bridge | Kelso Drive over Coweeman River | Open to traffic | Through truss | 1947 | -- | 200.1 ft. | 487.9 ft. |
| Cowlitz River Bridge | WA 4 over Cowlitz River | Open to traffic | Through truss | 1951 | -- | 255.9 ft. | 1710.1 ft. |
| Cowlitz River Bridge | WA 432 over Cowlitz River | Open to traffic | Through truss | 1961 | -- | 299.9 ft. | 1675.9 ft. |
| Cowlitz River Bridge | WA 432 over Cowlitz River | Open to traffic | Through truss | 1973 | -- | 299.9 ft. | 1729.1 ft. |
| Hoffstadt Creek Bridge | WA 504 over Hoffstadt Creek | Open to traffic | Deck truss | 1991 | -- | 600.1 ft. | 2340.0 ft. |
| Jim Creek Bridge | WA 503 over Jim Creek | Open to traffic | Arch | 1943 | -- | 179.1 ft. | 308.1 ft. |
| Lewis & Clark Bridge | WA 433 over Columbia River | Open to traffic | Through truss | 1929 | -- | 1200.2 ft. | 5478.3 ft. |
| Meeker Drive Bridge | Meeker Drive over Kalama River | Open to traffic | Truss | 1952 | -- | -- | 441.0 ft. |
| Modrow Road Bridge | Modrow Road over Kalama River | Open to traffic | Steel arch | 1958 | -- | -- | 200.1 ft. |
| Toutle River Bridge | I-5 over Toutle River | Open to traffic | Steel through arch | 1969 | -- | 304.1 ft. | 309.1 ft. |
| Toutle River Bridge | I-5 over Toutle River | Open to traffic | Steel through arch | 1969 | -- | 304.1 ft. | 309.1 ft. |
| Toutle River Bridge | Old Pacific Highway over Toutle River | Open to traffic | Truss | 1935 | -- | -- | 366.2 ft. |