| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Chehalis River Bridge | WA 6 over Chehalis River | Open to traffic | Arch | 1931 | -- | 184.1 ft. | 324.2 ft. |
| Chehalis River Bridge | WA 6 over Chehalis River | Open to traffic | Through truss | 1939 | -- | 240.2 ft. | 1045.0 ft. |
| Chehalis River Bridge | FAS 1196 over Chehalis River | Open to traffic | Through truss | 1959 | -- | 240.2 ft. | 304.1 ft. |
| Cispus River Bridge | Bridge over Cispus River | Open to traffic | Deck truss | 1955 | -- | 119.8 ft. | 224.7 ft. |
| Corn Creek Bridge | US 12 over Corn Creek | Open to traffic | Steel arch | 1967 | -- | 266.1 ft. | 442.9 ft. |
| Cortright Creek Bridge | US 12 over Cortright Creek | Open to traffic | Deck truss | 1983 | -- | 274.9 ft. | 429.2 ft. |
| Coughlin Road Bridge | Coughlin Road over South Fork Newaukum River | Open to traffic | Pony truss | 1922 | -- | 81.0 ft. | 100.1 ft. |
| Cowlitz River Bridge | US 12 over Cowlitz River | Open to traffic | Through truss | 1948 | -- | 240.2 ft. | 554.2 ft. |
| Cowlitz River Bridge | I-5 over Cowlitz River | Open to traffic | Through truss | 1953 | -- | 240.2 ft. | 759.9 ft. |
| Cowlitz River Bridge | US 12 over Cowlitz River | Open to traffic | Arch | 1968 | -- | 520.0 ft. | 1232.0 ft. |
| Cowlitz River Bridge | WA 131 over Cowlitz River | Open to traffic | Through truss | 1949 | -- | 220.2 ft. | 435.1 ft. |
| Davidson Road Bridge | Davidson Road over Tilton River | Open to traffic | Pony truss | 1924 | -- | 100.1 ft. | 101.1 ft. |
| Ferrier Road Bridge | Ferrier Road over Olequa Creek | Open to traffic | Through truss | 1924 | -- | 100.1 ft. | 152.9 ft. |
| Hendrickson Road Bridge | Hendrickson Road over Stillwater Creek | Open to traffic | Pony truss | 1927 | -- | 80.1 ft. | 157.2 ft. |
| Jackson Highway Bridge | Jackson Highway over Newaukum River | Open to traffic | Through truss | 1926 | -- | 126.0 ft. | 180.1 ft. |
| Jackson Highway Bridge | Jackson Highway over Laussier Creek | Open to traffic | Arch | 1926 | -- | 27.9 ft. | 47.9 ft. |
| Jones Road Bridge | Jones Road over Chehalis River | Open to traffic | Truss | 1917 | -- | -- | 103.0 ft. |
| Lake Creek Road Bridge | Lake Creek Road over Lake Creek | Open to traffic | Pony truss | 1936 | -- | 109.9 ft. | 162.1 ft. |
| Leudinghaus Road Bridge | Leudinghaus Road over Chehalis River | Open to traffic | Through truss | 1922 | -- | 129.9 ft. | 154.9 ft. |
| Mineral Creek Road Bridge | Mineral Creek Road over Mineral Creek | Open to traffic | Truss | 1920 | -- | -- | 181.1 ft. |
| Nisqually River Bridge | WA 7 over Nisqually River | Open to traffic | Through truss | 1953 | -- | 200.1 ft. | 247.1 ft. |
| Reservior Road Bridge | Reservior Road over Chehalis River | Open to traffic | Through truss | 1934 | -- | -- | 92.9 ft. |
| Skate Creek Road Bridge | Skate Creek Road over Cowlitz River | Open to traffic | Through truss | 1953 | -- | 250.0 ft. | 392.1 ft. |
| Skookumchuck River Bridge | I-5 over Skookumchuck River | Open to traffic | Through truss | 1951 | -- | 160.1 ft. | 252.0 ft. |
| Skookumchuck River Bridge | WA 507 over Skookumchuck River | Open to traffic | Through truss | 1928 | -- | 149.0 ft. | 186.0 ft. |
| South Fork Chehalis River Bridge | WA 6 over South Fork Chehalis River | Open to traffic | Arch | 1925 | -- | 90.9 ft. | 580.1 ft. |
| South Fork Newaukum River Bridge | WA 508 over South Fork Newaukum River | Open to traffic | Pony truss | 1930 | -- | 89.9 ft. | 196.9 ft. |
| Stevens Canyon Road Bridge | Stevens Canyon Road over Muddy Fork | Open to traffic | Arch | 1952 | -- | 79.1 ft. | 100.1 ft. |
| Stevens Canyon Road Bridge | Stevens Canyon Road over Nickel Creek | Open to traffic | Arch | 1952 | -- | 77.1 ft. | 104.0 ft. |