| Name | Location | Status | Design | Year Built | Year Lost | Span Length | Total Length |
|---|---|---|---|---|---|---|---|
| Byrnes Road Bridge | Byrnes Road over Nine Mile Canyon | Open to traffic | Arch | 1935 | -- | -- | 66.9 ft. |
| Coppei Creek Bridge | US 12 over Coppei Creek | Open to traffic | Arch | 1920 | -- | 42.0 ft. | 44.0 ft. |
| Division Street Bridge | Division Street over Mill Creek | Open to traffic | Arch | 1925 | -- | 48.9 ft. | 54.1 ft. |
| Dry Creek Bridge | US 12 over Dry Creek | Open to traffic | Arch | 1920 | -- | 47.9 ft. | 98.1 ft. |
| Dry Creek Bridge | WA 125 over Dry Creek | Open to traffic | Arch | 1921 | -- | 40.0 ft. | 42.0 ft. |
| Lowden Gardena Road Bridge | Lowden Gardena Road over Walla Walla River | Open to traffic | Arch | 1920 | -- | -- | 180.1 ft. |
| Lower Hogeye Road Bridge | Lower Hogeye Road over Whiskey Creek | Open to traffic | Arch | 1916 | -- | 42.0 ft. | 56.1 ft. |
| Main Street Bridge | Main Street over Touchet River | Open to traffic | Arch | 1925 | -- | 89.9 ft. | 91.9 ft. |
| McCown Road Bridge | McCown Road over Coppei Creek | Open to traffic | Arch | 1920 | -- | 42.0 ft. | 45.9 ft. |
| Mill Creek Bridge | Park Street over Mill Creek | Open to traffic | Arch | 1921 | -- | 60.0 ft. | 80.1 ft. |
| Pettyjohn Road Bridge | Pettyjohn Road over Touchet River | Open to traffic | Arch | 1914 | -- | -- | 115.2 ft. |
| Reser Road Bridge | Reser Road over Yellowhawk Creek | Open to traffic | Arch | 1919 | -- | 33.1 ft. | 35.1 ft. |
| Sapolil Road Bridge | Sapolil Road over Dry Creek | Open to traffic | Arch | 1920 | -- | -- | 68.9 ft. |
| Smith Springs Road Bridge | Smith Springs Road over Colville Gulch | Open to traffic | Arch | 1922 | -- | 21.0 ft. | 39.0 ft. |
| Smith Springs Road Bridge | Smith Springs Road over Colville Gulch | Open to traffic | Arch | 1922 | -- | -- | 50.9 ft. |
| Smith Springs Road Bridge | Smith Springs Road over Colville Gulch | Open to traffic | Arch | 1922 | -- | 21.0 ft. | 39.0 ft. |
| South Fork Coppei Bridge | South Fork Coppei over South Fork Coppei Creek | Open to traffic | Arch | 1920 | -- | 20.0 ft. | 44.0 ft. |
| Spring Valley Branch Bridge | WA 125 over Spring Valley Branch | Open to traffic | Arch | 1921 | -- | 29.9 ft. | 29.9 ft. |
| Touchet River Bridge | US 12 over Touchet River | Open to traffic | Arch | 1900 | -- | 49.9 ft. | 155.8 ft. |
| Touchet River Bridge | WA 125 over Touchet River | Open to traffic | Arch | 1916 | -- | 55.1 ft. | 117.1 ft. |
| US 12 Bridge | US 12 over Unnamed creek | Open to traffic | Arch | 1919 | -- | 20.0 ft. | 60.0 ft. |
| Walla Walla River Bridge | US 12 over Walla Walla River | Open to traffic | Arch | 1917 | -- | 76.1 ft. | 226.1 ft. |
| Woodward Creek Bridge | US 12 over Woodward Creek | Open to traffic | Arch | 1919 | -- | 20.0 ft. | 60.0 ft. |