| US 12 over Warehouse Yard | Poor | 263.1 ft | 2,442 | 1933 |
| US 12 over Tucannon River | Poor | 219.2 ft | 1,884 | 1967 |
| SR 261 over Snake River | Poor | 2040.0 ft | 485 | 1927 |
| Kellog Hollow Rd. over Tucannon River | Poor | 113.8 ft | 350 | 1962 |
| Tucannon Road over Tucannon River | Poor | 60.0 ft | 200 | 1968 |
| Rose Gulch Road over Touchet River | Poor | 160.1 ft | 150 | 1963 |
| South Patit Road over South Patit Creek | Poor | 32.2 ft | 75 | 1962 |
| Baileysburg Road over North Touchet River | Poor | 79.1 ft | 50 | 1975 |
| King Grade over Tucannon River | Poor | 79.1 ft | 25 | 1974 |
| US 12 over Uprr | Fair | 142.1 ft | 2,442 | 1977 |
| US 12 over Patit Creek | Fair | 44.0 ft | 2,218 | 1933 |
| Patit Road over Patit Creek | Fair | 81.0 ft | 600 | 2002 |
| South Touchet Road over North Touchet River | Fair | 100.1 ft | 515 | 1997 |
| SR 261 over Up Rr | Fair | 169.9 ft | 485 | 1967 |
| North Touchet Road over North Touchet River | Fair | 45.9 ft | 350 | 1973 |
| North Touchet Road over North Touchet River | Fair | 32.2 ft | 350 | 1965 |
| North Touchet Road over North Touchet River | Fair | 45.9 ft | 350 | 1973 |
| Mckay Alto Road over Whetstone Creek | Fair | 36.1 ft | 350 | 1970 |
| Kellog Hollow Rd. over Kellog Hollow | Fair | 40.0 ft | 300 | 1966 |
| Kellog Hollow Rd. over Kellog Hollow | Fair | 29.9 ft | 300 | 1966 |
| Patit Road over Patit Creek | Fair | 24.0 ft | 275 | 1971 |
| Lower Hogeye Road over Touchet River | Fair | 113.8 ft | 225 | 1969 |
| South Touchet RD over South Touchet River | Fair | 96.1 ft | 225 | 1984 |
| Front Street over Patit Creek | Fair | 53.1 ft | 225 | 1915 |
| Turner Road over Whetstone Creek | Fair | 30.8 ft | 210 | 1951 |
| Tucannon Road over Tucannon River | Fair | 57.1 ft | 200 | 1963 |
| Tucannon Road over Tucannon River | Fair | 80.1 ft | 200 | 1965 |
| Tucannon Road over Tucannon River | Fair | 57.1 ft | 200 | 1965 |
| Tucannon Road over Tucannon River | Fair | 100.1 ft | 200 | 1974 |
| Lower Whetstone RD over Whetstone Creek | Fair | 62.0 ft | 150 | 1997 |
| Gallaher Road over Touchet River | Fair | 113.8 ft | 125 | 1965 |
| Third Street over Patit Creek | Fair | 44.0 ft | 100 | 1915 |
| Whiskey Creek Road over Whiskey Creek | Fair | 67.9 ft | 100 | 2003 |
| Lyman Hill Road over Whetstone Creek | Fair | 22.0 ft | 75 | 1967 |
| Lower Whetstone RD over Whetstone Creek | Fair | 40.0 ft | 75 | 1970 |
| Road over Tucannon River | Fair | 43.3 ft | 60 | 1964 |
| Road over Tucannon River | Fair | 44.9 ft | 50 | 1952 |
| Whiskey Creek Road over Whisky Creek | Fair | 32.2 ft | 50 | 1974 |
| East Bramhall Road over Whetstone Creek | Fair | 22.0 ft | 50 | 1967 |
| Whisky Creek Road over Whisky Creek | Fair | 40.0 ft | 50 | 1973 |
| Wolf Fork Road over Wolf Fork | Fair | 56.1 ft | 50 | 1995 |
| Wolf Fork Road over Wolf Fork | Fair | 56.1 ft | 50 | 1995 |
| Spillway Bridge over Spillway Channel | Fair | 503.9 ft | 50 | 1968 |
| Willow Cr. Road over Willow Creek | Fair | 29.9 ft | 35 | 1967 |
| Range Grade over Patit Creek | Fair | 36.1 ft | 25 | 1973 |
| South Touchet Road over South Touchet River | Fair | 50.9 ft | 25 | 1989 |
| Territorial Road over Tucannon River | Fair | 91.9 ft | 25 | 1998 |
| Approach Road over Whetstone Creek | Fair | 32.2 ft | 10 | 1962 |
| US 12 over Touchet River | Good | 164.0 ft | 5,627 | 1966 |
| US 12 over Touchet River | Good | 143.0 ft | 4,556 | 1966 |
| US 12 over Whetstone Creek | Good | 36.7 ft | 1,993 | 2021 |
| SR 261 over Pataha Creek | Good | 21.0 ft | 547 | 1971 |
| SR 261 over Tucannon River | Good | 212.9 ft | 485 | 1967 |
| Eager Road over Whetstone Creek | Good | 23.0 ft | 250 | 1925 |
| Turner Road over Tucannon River | Good | 64.0 ft | 205 | 1961 |
| Tucannon Road over Tucannon River | Good | 111.9 ft | 200 | 1996 |
| Thorn Hollow Road over Whetstone Creek | Good | 42.0 ft | 200 | 2015 |
| Tucannon Road over Un-named Creek | Good | 25.9 ft | 200 | 2017 |
| Wolf Fork Road over North Touchet River | Good | 103.0 ft | 189 | 2006 |
| Road over Tucannon River | Good | 81.0 ft | 169 | 1964 |
| Whiskey Creek Road over Whiskey Creek | Good | 44.0 ft | 110 | 2017 |
| Road over Tucannon River | Good | 124.0 ft | 103 | 1988 |
| Smith Hollow Rd. over Smith Hollow | Good | 32.2 ft | 100 | 1979 |
| Harting Grade over South Touchet River | Good | 102.0 ft | 100 | 2000 |
| First Street over Patit Creek | Good | 53.1 ft | 100 | 2005 |
| Smith Hollow Rd. over Tucannon River | Good | 121.1 ft | 100 | 2008 |
| Riveria Road over Riveria Gulch | Good | 23.0 ft | 80 | 1999 |
| Powers Road over Tucannon River | Good | 162.1 ft | 75 | 1973 |
| South Patit Road over Patit Creek | Good | 62.0 ft | 75 | 1996 |
| Road over Touchet River | Good | 61.0 ft | 60 | 2005 |
| Road over Touchet River | Good | 65.9 ft | 60 | 2005 |
| Road over Little Tucannon River | Good | 28.9 ft | 50 | 2010 |
| Wolf Fork Road over Wolf Fork | Good | 55.1 ft | 50 | 1997 |
| Weller Canyon Road over Whetstone Creek | Good | 40.0 ft | 50 | 1991 |
| Archer Road over Pataha Creek | Good | 91.9 ft | 50 | 1998 |
| 6th Street over Patit Creek | Good | 56.1 ft | 50 | 2001 |
| Robinson Fork RD over Wolf Fork | Good | 71.9 ft | 49 | 2001 |
| Mead Road over Kellogg Hollow Creek | Good | 21.0 ft | 35 | 2006 |
| Whoopemup Hol. Rd. over Whetstone Creek | Good | 29.9 ft | 25 | 1977 |
| Brines Road over Tucannon River | Good | 90.9 ft | 25 | 1988 |
| Robinson Fork Road over Robinson Fork | Good | 56.1 ft | 25 | 1995 |
| Ward Road over Touchet River | Good | 112.9 ft | 25 | 1992 |
| Robinson Fork Road over Robinson Fork | Good | 55.1 ft | 25 | 1998 |
| Pettyjohn Grade over South Touchet River | Good | 104.0 ft | 25 | 2000 |
| Wolf Fork RD over Wolf Fork | Good | 55.1 ft | 20 | 2001 |
| Usfs Road over North Fork Touchet River | Good | 22.0 ft | 10 | 2010 |