| E Marina Way over Columbia River | 1924 | 14,900 | Fair |
| US 197 over Columbia R Sp & S Ry | 1954 | 6,795 | Fair |
| US 97 over Swale Creek | 1960 | 6,760 | Poor |
| US 97 over Columbia River | 1962 | 6,212 | Fair |
| US 97 over BNSF RR | 1962 | 6,122 | Good |
| SR 14 over White Salmon River | 1971 | 5,853 | Good |
| US 97 over Little Klickitat River | 1956 | 5,532 | Fair |
| US 97 over Bickleton Rd | 1972 | 5,310 | Poor |
| SR 97 over Butler Creek | 2012 | 4,827 | Good |
| SR 14 over Klickitat River | 1933 | 4,529 | Fair |
| SR 97 over Satus Creek | 2021 | 4,072 | Good |
| US 97 over Kusshi CR | 1945 | 4,013 | Poor |
| SR 141 over Rattlesnake Creek | 1947 | 3,793 | Good |
| SR 141 over White Salmon R | 1940 | 3,250 | Fair |
| SR 14 over Half Bridge | 1931 | 2,173 | Fair |
| SR 14 over Horsethief Canyon | 1931 | 2,173 | Good |
| SR 142 over Little Klickitat River | 1982 | 2,124 | Good |
| SR 141 over Cave Creek | 1947 | 2,042 | Fair |
| Pipeline Road over Little Klickitat River | 1965 | 1,200 | Fair |
| SR 14 over Rock Creek | 1962 | 1,062 | Fair |
| SR 14 over Pine Creek | 1958 | 1,041 | Good |
| SR 14 over Wood Gulch CR | 1958 | 1,041 | Fair |
| Tom Miller Road over Little Klickitat River | 1992 | 1,026 | Fair |
| SR 14 over Alder Creek | 1965 | 936 | Poor |
| Columbus Avenue over Little Klickitat River | 2001 | 870 | Fair |
| Mt. Adams Hwy. over Trout Creek | 1956 | 739 | Fair |
| SR 142 over Klickitat River | 1977 | 734 | Good |
| Woodland Road over Little Klickitat River | 1980 | 561 | Fair |
| Northwestern Lk Rd over White Salmon River | 1957 | 552 | Fair |
| SR 142 over Snyder Creek | 1950 | 532 | Good |
| Sunnyside Road over White Salmon River | 1972 | 462 | Good |
| SR 142 over Bowman Creek | 2006 | 420 | Good |
| SR 142 over Klickitat River | 1975 | 420 | Good |
| SR 142 over Klickitat River | 2016 | 420 | Good |
| SR 142 over Little Klickitat R | 1972 | 420 | Good |
| Hoctor Road over Swale Creek | 1985 | 358 | Fair |
| Glenwood Road over White Salmon River | 1957 | 278 | Fair |
| Jennings Road over Bear Creek | 2001 | 276 | Good |
| Centerville Hwy over Swale Creek | 1977 | 270 | Fair |
| Centerville Hwy. over Swale Creek | 1995 | 244 | Fair |
| Old Mountain Road over Badger Gulch | 1977 | 244 | Fair |
| Goldendale Hwy. over Outlet Creek | 1970 | 234 | Fair |
| Sunnyside Road over White Salmon River | 1972 | 231 | Fair |
| Collins Drive over US 97 | 1972 | 223 | Good |
| BZ Glenwood Hwy over Outlet Creek | 1958 | 217 | Fair |
| Mill St over Little Klickitat River | 1980 | 205 | Fair |
| Mt. Adams Rd. over White Salmon River | 1958 | 199 | Fair |
| Bickleton Hwy over Pine Creek | 1978 | 186 | Fair |
| Glenwood Hwy over Klickitat River | 1991 | 163 | Fair |
| Husum St over White Salmon River | 1993 | 160 | Good |
| Matsen Rd over Alder Creek | 1996 | 152 | Good |
| Bickleton Hwy over Rock Creek | 2009 | 144 | Fair |
| Six Prong Road over Alder Creek | 1986 | 141 | Fair |
| Olson Road over Little Klickitat River | 1988 | 126 | Fair |
| Olson Road over Spring Creek | 1959 | 126 | Fair |
| Roosevelt Grade Rd over Wood Gulch Haul Road | 2001 | 119 | Good |
| Project and Public over the Dalles Dam | 1956 | 100 | Poor |
| Seventh Street over Burlington Northern RR | 1994 | 99 | Poor |
| Old Creamery Rd over Trout Creek | 1997 | 98 | Good |
| Middle Road over Pine Creek | 1959 | 94 | Fair |
| East Road over Pine Creek | 1972 | 87 | Fair |
| Cameron Road over Swale Creek | 1995 | 83 | Fair |
| Lakeside Rd over Outlet Creek | 1991 | 79 | Fair |
| Roosevelt Ferry Rd over Burlington Northern R.R. | 1966 | 79 | Fair |
| Harms Road over Swale Creek | 2009 | 76 | Fair |
| Dalles Mtn Road over Swale Creek | 1995 | 73 | Fair |
| Jenkins Creek Road over West Prong Little Klick. | 1974 | 61 | Fair |
| River Road over White Salmon River | 1981 | 60 | Fair |
| Clyde Story Road over Swale Creek | 1981 | 54 | Fair |
| Shrantz Road over Wood Gulch Creek | 1975 | 51 | Fair |
| Old Highway 8 over Rock Creek | 1945 | 43 | Fair |
| Eshelman Road over Swale Creek | 1977 | 42 | Fair |
| Garner Road over Swale Creek | 1977 | 42 | Fair |
| Horseshoe Bend Rd. over Klickitat River | 1965 | 41 | Fair |
| Ladiges Rd over Bird Creek | 1997 | 41 | Fair |
| Fisher Hill Road over Klickitat River | 1987 | 35 | Fair |
| Kreps Lane over Outlet Creek | 1981 | 35 | Fair |
| Oak Flat Road over Luna Creek | 1981 | 32 | Fair |
| Esteb Road over Little Klickitat River | 1965 | 30 | Fair |
| Indian Creek Rd over Indian Creek | 2012 | 25 | Good |
| Martin Road over White Salmon River | 2003 | 23 | Good |
| Uecker Road over Swale Creek | 1995 | 22 | Fair |
| Horseshoe Bend Rd. over Swale Creek | 1965 | 17 | Fair |
| Rock Creek Road over Squaw Creek | 1982 | 16 | Fair |
| Woods Road over Swale Creek | 1986 | 16 | Fair |
| Sandridge Road over Alder Creek | 1986 | 9 | Fair |
| Cedar Valley Road over Bowman Creek | 1987 | 5 | Fair |
| Staats Road over Rattlesnake Creek | 1984 | 3 | Good |
| Imrie Road over Rock Creek | 1965 | 2 | Fair |
| Mattson Road over Swale Creek | 1995 | 2 | Good |
| Strong Road over White Salmon River | 1987 | 2 | Fair |