| US 101 over Columbia R | Poor | 11200.1 ft | 23,300 | 1966 |
| US 101 over S Fk Willapa River | Poor | 600.1 ft | 10,253 | 1966 |
| SR 6 over Creek | Poor | 231.0 ft | 2,879 | 1947 |
| SR 401 over Naselle River Overflow | Poor | 200.1 ft | 2,839 | 1964 |
| US 101 over Greenhead Slough | Poor | 534.1 ft | 1,911 | 1934 |
| US 101 over Teal Slough | Poor | 287.1 ft | 1,911 | 1934 |
| Community Drive over Surfside Est. Lagoon | Poor | 80.1 ft | 87 | 1967 |
| Knappton Road over Davis Creek | Poor | 48.9 ft | 79 | 1963 |
| So Bend-palix Road over Niawiakum River | Poor | 66.9 ft | 39 | 1965 |
| US 101 over Columbia R | Fair | 6650.9 ft | 22,526 | 1966 |
| US 101 over N Fk Willapa | Fair | 898.0 ft | 8,151 | 1992 |
| US 101 over Chinook R | Fair | 27.9 ft | 7,256 | 1927 |
| US 101 over Half Bridge | Fair | 310.0 ft | 6,961 | 1963 |
| US 101 over Columbia R Megler | Fair | 3676.8 ft | 6,800 | 1966 |
| US 101 over Smith Creek | Fair | 115.2 ft | 4,478 | 1929 |
| US 101 over Elkhorn CR | Fair | 98.1 ft | 4,478 | 1929 |
| US 101 over Palix River | Fair | 990.2 ft | 3,145 | 1991 |
| US 101 over Niawiakum River | Fair | 1375.0 ft | 3,145 | 1991 |
| US 101 over South Nemah River | Fair | 40.0 ft | 2,815 | 1951 |
| US 101 over South Nemah River | Fair | 47.9 ft | 2,815 | 1957 |
| US 101 over Jorgenson Slough | Fair | 69.9 ft | 2,815 | 1939 |
| US 101 over Tide Slough | Fair | 138.1 ft | 2,815 | 1939 |
| SR 401 over Bean CR | Fair | 103.0 ft | 2,770 | 1958 |
| US 101 over Bear River | Fair | 211.9 ft | 1,911 | 1956 |
| US 101 over Naselle River | Fair | 1938.0 ft | 1,911 | 1985 |
| SR 6 over ST Parks Trail (pluvius) | Fair | 161.1 ft | 1,600 | 1922 |
| SR 6 over Rock Creek | Fair | 41.0 ft | 1,600 | 1928 |
| SR 6 over Half Moon Creek | Fair | 60.0 ft | 1,600 | 1917 |
| SR 105 over Slough | Fair | 20.0 ft | 1,099 | 1958 |
| SR 105 over Drainage | Fair | 23.0 ft | 1,099 | 1959 |
| So Valley Road over So Fork Naselle River | Fair | 120.1 ft | 506 | 1965 |
| 2nd Street over Slough | Fair | 290.0 ft | 457 | 1981 |
| Camp One Road over North Fork Willapa River | Fair | 464.9 ft | 375 | 1984 |
| Heckard Road over Slough | Fair | 40.0 ft | 226 | 1916 |
| Raymd/southbend RD over Skidmore Slough | Fair | 69.9 ft | 218 | 2010 |
| North River Road over North River | Fair | 180.1 ft | 204 | 1959 |
| Stauffer Road over Green Creek | Fair | 42.0 ft | 178 | 1917 |
| Trask Road over So Fork Palix River | Fair | 205.1 ft | 159 | 1992 |
| Menlo So.fork Road over Rue Creek | Fair | 56.1 ft | 156 | 1991 |
| North Valley Road over Naselle River | Fair | 175.9 ft | 152 | 1963 |
| Overmeyer Road over Elk Creek | Fair | 41.0 ft | 134 | 1987 |
| North River Valley over Fall River | Fair | 140.1 ft | 128 | 1953 |
| Smith Creek RD over Smith Creek | Fair | 109.9 ft | 112 | 1994 |
| Falls Creek Road over Willapa River | Fair | 63.0 ft | 87 | 1949 |
| Elk Prairie Road over Fern Creek | Fair | 64.0 ft | 85 | 1916 |
| Smith Creek Road over Smith Creek | Fair | 88.9 ft | 84 | 1985 |
| Tienhaara Road over Salmon Creek | Fair | 65.0 ft | 74 | 1980 |
| Nemah Valley Road over Nemah River | Fair | 72.5 ft | 74 | 1981 |
| Elkhorn Road over Elkhorn Creek | Fair | 147.0 ft | 74 | 1996 |
| Lebam Road over Willapa River | Fair | 161.1 ft | 72 | 1917 |
| Lagergren-sunshine over South Nemah River | Fair | 88.9 ft | 50 | 1959 |
| Walville Creek RD over Rock Creek | Fair | 53.1 ft | 34 | 1981 |
| US 101 over Skidmore Slough | Good | 211.9 ft | 8,012 | 1980 |
| US 101 over Wallicut River | Good | 140.1 ft | 7,256 | 1979 |
| US 101 over Columbia R Megler | Good | 149.0 ft | 6,800 | 1965 |
| US 101 over Wallicut River | Good | 58.1 ft | 6,144 | 1979 |
| US 101 over Potters Sl | Good | 142.1 ft | 3,753 | 1975 |
| US 101 over Stuart Sl | Good | 66.9 ft | 3,501 | 1975 |
| US 101 over Carruthers Sl | Good | 66.9 ft | 3,501 | 1975 |
| US 101 over Bone River | Good | 334.0 ft | 3,501 | 2013 |
| SR 401 over Naselle R | Good | 222.1 ft | 2,839 | 1953 |
| SR 401 over Naselle R Overflow | Good | 101.0 ft | 2,839 | 1964 |
| US 101 over North Nemah River | Good | 532.2 ft | 2,815 | 1992 |
| US 101 over Middle Nemah River | Good | 127.0 ft | 2,815 | 2014 |
| SR 6 over Willapa River | Good | 274.9 ft | 2,737 | 2014 |
| SR 401 over Davis Creek | Good | 77.1 ft | 2,439 | 1958 |
| SR 4 over Naselle River | Good | 201.1 ft | 2,183 | 1987 |
| SR 4 over Salmon Creek | Good | 109.9 ft | 2,183 | 1986 |
| SR 4 over Petes Creek | Good | 22.0 ft | 2,174 | 2015 |
| US 101 over Wallacut River | Good | 58.1 ft | 1,981 | 1979 |
| SR 6 over Trap Creek | Good | 111.9 ft | 1,825 | 1918 |
| SR 6 over Fork Creek | Good | 75.1 ft | 1,825 | 1918 |
| SR 6 over Willapa River | Good | 200.1 ft | 1,825 | 1953 |
| SR 6 over Willapa Hills Trail | Good | 143.0 ft | 1,600 | 1950 |
| SR 6 over Willapa River | Good | 142.4 ft | 1,600 | 1957 |
| SR 6 over Fern Creek | Good | 107.0 ft | 1,600 | 1962 |
| SR 6 over Salmon Creek | Good | 24.0 ft | 1,600 | 2019 |
| SR 105 over Norris Slough | Good | 86.9 ft | 1,099 | 2011 |
| SR 105 over Smith Creek | Good | 319.9 ft | 1,099 | 2013 |
| SR 105 over North River | Good | 600.1 ft | 1,099 | 2014 |
| Monohon Landing RD over North Fork Willapa River | Good | 182.1 ft | 900 | 1981 |
| Parpala Road over Dell Creek | Good | 49.9 ft | 740 | 1972 |
| Monohan Landing RD over Elk Creek | Good | 83.0 ft | 600 | 1997 |
| Parpala Road over Ellsworth Slough | Good | 200.1 ft | 562 | 1969 |
| Monohan Landing RD over Wilson Creek | Good | 130.2 ft | 461 | 1992 |
| South Valley Road over Salmon Creek | Good | 158.1 ft | 456 | 1986 |
| Fowler Road over So Fork Willapa River | Good | 120.1 ft | 418 | 1998 |
| North Nemah Road over North Nemah River | Good | 109.9 ft | 338 | 2005 |
| Camp One Road over Willapa River North Fork | Good | 240.2 ft | 332 | 1991 |
| Mill Creek Road over Mill Creek | Good | 98.1 ft | 265 | 1977 |
| North Nemah RD over Williams Creek | Good | 85.0 ft | 238 | 1999 |
| Oxbow Road over Willapa River | Good | 195.9 ft | 208 | 1982 |
| Mill Creek Road over Mill Creek | Good | 109.9 ft | 143 | 1995 |
| Menlo-so.fork Road over Rue Creek | Good | 35.4 ft | 138 | 1960 |
| Rue Creek Road over Rue Creek | Good | 30.8 ft | 130 | 2021 |
| Hyland Stringer RD over Stringer Creek | Good | 24.9 ft | 110 | 2017 |
| Rue Creek Road over West Fork Rue Creek | Good | 51.8 ft | 108 | 2017 |
| Oakville Road over North River | Good | 97.1 ft | 100 | 1992 |
| Wilson Creek Road over Whitcomb Creek | Good | 80.1 ft | 98 | 1992 |
| Smith Creek RD over Smith Creek | Good | 134.8 ft | 86 | 1993 |
| Mill Creek Road over Mill Creek | Good | 67.6 ft | 84 | 1995 |
| Mill Creek Road over Mill Creek | Good | 111.9 ft | 79 | 1992 |
| Brooklyn Road over Raimie Creek | Good | 109.9 ft | 76 | 1992 |
| North Valley Road over Dog Creek | Good | 71.9 ft | 74 | 1984 |
| Rue Creek Road over Rue Creek | Good | 49.2 ft | 70 | 1996 |
| Elk Prairie Road over Willapa River North Fork | Good | 100.1 ft | 65 | 1964 |
| Clark Road over Half Moon Creek | Good | 65.0 ft | 64 | 1992 |
| Larkin Road over Drainage Ditch | Good | 55.1 ft | 58 | 1986 |
| Nyberg Road over So Fork Naselle River | Good | 125.0 ft | 56 | 1996 |
| Mill Creek Road over Mill Creek | Good | 89.9 ft | 51 | 1994 |
| Doyle Road over North Fork Willapa River | Good | 154.9 ft | 49 | 1994 |
| Mill Creek Road over Mill Creek | Good | 40.0 ft | 48 | 1970 |
| Jacobson Road over Drainage Ditch | Good | 25.9 ft | 48 | 1990 |
| Elk Prairie Road over North Fork Willapa River | Good | 100.1 ft | 44 | 1964 |
| Alanen Road over Salmon Creek | Good | 65.9 ft | 44 | 1989 |
| Pehl Road over So Fork Willapa | Good | 107.0 ft | 18 | 1991 |
| Hanen Road over Willapa River | Good | 132.9 ft | 17 | 1989 |
| Dixon Road over Clearwater Creek | Good | 45.6 ft | 16 | 1992 |
| Greenhead Slough R over Greenhead Slough | Good | 70.9 ft | 10 | 2015 |
| Wesley King RD over Mill CR | Good | 69.9 ft | 10 | 1994 |