
| Structure Name | Feature Crossed | Road | Year | Type of Bridge |
| Alanen | Salmon Creek | Alanen Road | 1989 | Concrete Girder |
| Bay Center Bridge | Slough | 2nd Street | 1981 | Prestressed Concrete Slab |
| Bighill Bridge | Naselle River | North Valley Road | 1963 | Concrete Girder |
| Bighill Crusher | Dog Creek | North Valley Road | 1984 | Concrete Girder |
| Borovec | Smith Creek | Smith Creek Road | 1985 | Concrete Slab |
| Bullard Bridge | Willapa River North Fork | Camp One Road | 1991 | Prestressed Concrete Girder |
| Cady | Mill Creek | Mill Creek Road | 1992 | Prestressed Bulb-tee Girder |
| Camp One | North Fork Willapa River | Camp One Road | 1984 | Concrete Girder & Slab |
| Campbell Bridge | North Fork Willapa River | Elk Prairie Road | 1964 | Concrete Slab |
| Church Bridge | South Fork Palix River | Trask Road | 1992 | Concrete Girder |
| Clark | Half Moon Creek | Clark Road | 1992 | Prestressed Girder |
| County Line Bridge | North River | North River Road | 1959 | Slab |
| Davis Creek | Davis Creek | Knappton Road | 1963 | Timber Stringer |
| Dell Creek Bridge | Dell Creek | Parapala Road | 1972 | Concrete Slab |
| Doyle | North Fork Willapa River | Doyle Road | 1994 | Prestressed Bulb Tee Girder |
| Elk Creek Bridge | Elk Creek | Monohan Landing Road | 1997 | Concrete Girder |
| Elkhorn Bridge | Elkhorn Creek | Elkhorn Road | 1996 | Prestressed Concrete |
| Ellsworth Slough | Ellsworth Slough | Parpala Road | 1969 | Concrete Slab |
| Fall River Bridge | Fall River | North River Valley | 1953 | Concrete Stringer |
| Fern Creek Bridge | Fern Creek | Elk Prairie Road | 1916 | Concrete Arch |
| Firdale | Mill Creek | Mill Creek Road | 1994 | Prestressed Bulb Tee Girder |
| Gamage Bridge | South Fork Willapa River | Golf Course Road | 1928 | Concrete Stringer |
| Gould | Drainage Ditch | Gould Road | 1985 | Timber Floor, Beam Stringer |
| Green Creek Bridge | Green Creek | Stauffer Road | 1917 | Concrete Arch |
| Hanen | Willapa River | Hanen Road | 1989 | Concrete Girder/Slab |
| Hebish | Clearwater Creek | Dixon Road | 1992 | Prestressed Concrete Girder |
| Heckard | Sough | Heckard Road | 1916 | Concrete Arch |
| Huber Bridge | Willapa River | Falls Creek Road | 1949 | Concrete Bents, Timber Stringer |
| Hyland-Stringer | Willapa River | Oxbow Road | 1982 | Concrete Girder |
| Jacobson Bridge | Drainage Ditch | Jacobson Road | 1990 | Concrete Panels |
| Karnas | Willapa River North Fork | Elk Prairie Road | 1964 | Concrete Slab |
| Larkin | Drainage Ditch | Larkin Road | 1986 | Concrete Slab |
| Lebam | Willapa River | Lebam Road | 1917 | Double Concrete Arch |
| Menlo-South Fork #1 | Rue Creek | Menlo-South Fork Road | 1960 | Prestressed Concrete Slab |
| Menlo-South Fork #2 | Rue Creek | Menlo-South Fork Road | 1991 | Prestreesed Concrete Girder |
| Mill Creek Bridge #6 | Mill Creek | Mill Creek Road | 1970 | Concrete Girder |
| Mill Creek Bridge #5 | Mill Creek | Mill Creek Road | 1995 | Prestressed Concrete Slab |
| Mill Creek | Mill Creek | Mill Creek Road | 1977 | Concrete Girder |
| Moose | Mill Creek | Mill Creek Road | 1994 | Concrete Bent Timber Stringer |
| Nemah Valley | Nemah River | Nemah Valley Road | 1952 | Concrete Slab |
| Niawiakum Bridge | Niawiakum River | South Bend-Palix Road | 1965 | Timber Stringer |
| North Nemah River Bridge | North Nemah River | North Nemah Road | 1952 | Timber Stringer |
| North River Bridge | North River | Oakville Road | 1992 | Prestressed Channel Girder |
| Nyberg Bridge | South Fork Naselle River | Nyberg Road | 1996 | Concrete Prestressed & Beam |
| Overmeyer | Elk Creek | Overmeyer Road | 1987 | Concrete Flat |
| Pehl | South Fork Willapa River | Pehl Road | 1991 | Prestressed Girder |
| Raimie Creek | Raimie Creek | Oakville Road | 1992 | Prestressed Bull-Tee Girder |
| Rue Creek Bridge | Rue Creek | Rue Creek Road | 1996 | Timber Glue-Lam |
| Salmon Creek | Salmon Creek | South Valley Road | 1986 | Concrete Girder |
| Smith Anderson | Drainage Ditch | Smith Anderson Road | 1946 | Timber Stringer |
| Smith Creek | Smith Creek | Smith Creek Road | 1993 | Prestressed Concrete Girder |
| South Fork Naselle | South Fork Naselle River | South Valley Road | 1965 | Concrete Slab |
| Soule | Smith Creek | Smith Creek Road | 1993 | Prestressed Bulb Tee Girders |
| South Nemah River | South Nemah River | Lagergren-Sunshine | 1959 | Timber Stringer |
| Surfside | Surfside Est. Lagoon | Community Drive | 1967 | Timber Glue Lam Beam |
| Tienhaara | Salmon Creek | Tienhaara Road | 1980 | Concrete Slab |
| Walville | Rock Creek | Walville Road | 1981 | Concrete Slab |
| Westley King Bridge | Mill Creek | Westley King Road | 1994 | Prestressed Concrete Girders |
| Willapa Bridge | North Fork Willapa River | Monohon Landing Road | 1981 | Concrete Girder & Slab |
| Williams Creek Bridge | Williams Creek | North Nemah Road | 1998 | Concrete Girder & Slab |
| Wilson Creek | Whitcomb Creek | Will Creek Road | 1992 | Concrete Stringer |
| Woodard Landing | Wilson Creek | Monohon Landing Road | 1992 | Concrete Girder |