| SR 125 over Walla Walla River | 1988 | 17,209 | Good |
| SR 125 over Yellowhawk Creek | 1988 | 17,209 | Fair |
| Myra Rd over Mill Creek | 2008 | 13,345 | Fair |
| 2ND Ave over Mill Creek | 1915 | 10,563 | Fair |
| Rose Street over Mill Creek | 2021 | 10,500 | Good |
| Wilbur Ave over Mill Creek | 1955 | 10,053 | Fair |
| US 12 over Abandoned RR Grade | 1953 | 8,735 | Fair |
| US 12 over Railroad | 1981 | 8,735 | Fair |
| US 12 over Walla Walla River | 1953 | 8,735 | Fair |
| US 12 over Vansycle Creek | 1977 | 8,169 | Fair |
| US 12 over Walla Walla R | 1917 | 8,169 | Fair |
| US 12 over Nine Mile CR & RR | 1933 | 8,140 | Poor |
| Old Hwy 12 over Dry Run | 1919 | 8,012 | Fair |
| Old Hwy 12 over Woodward Canyon | 1917 | 8,012 | Fair |
| S Palouse St over Mill Creek | 2009 | 7,980 | Good |
| Old Hwy 12 over Touchet River | 1919 | 7,642 | Fair |
| US 12 over Mcnary Pool | 2004 | 7,405 | Good |
| US 12 over Borelske Stad Maint Rd | 1971 | 7,122 | Fair |
| SR 124 over US 12 | 2012 | 6,798 | Fair |
| US 12 over 2ND Ave & Bn RR | 1971 | 6,661 | Good |
| US 12 over 9TH Ave | 1972 | 6,661 | Good |
| US 12 over UP RR | 1972 | 6,661 | Good |
| Tausick Way over Mill Creek | 1968 | 6,539 | Fair |
| SR 125 over Mill CR | 1936 | 6,477 | Good |
| US 12 over Wellington Ave | 1971 | 6,209 | Good |
| US 12 over SR 125 | 1972 | 6,200 | Good |
| Roosevelt St over Mill Creek | 1910 | 6,123 | Fair |
| US 12 over Bn & UP RR | 1975 | 6,038 | Good |
| US 12 over RR & Private Road | 2007 | 6,038 | Good |
| Colville St over Mill Creek | 1920 | 5,139 | Good |
| US 12 over Touchet River | 1931 | 5,054 | Fair |
| US 12 over Dry Creek | 1954 | 4,564 | Fair |
| US 12 over Dry Creek | 2003 | 4,564 | Good |
| Main St over Mill Creek | 1902 | 4,412 | Fair |
| US 12 over WB Off Ramp | 1971 | 4,350 | Poor |
| US 12 over Dry Creek | 1920 | 4,314 | Fair |
| Division St over Mill Creek | 2007 | 4,170 | Good |
| Park St over Mill Creek | 2007 | 4,169 | Fair |
| US 12 over Frenchtown Access Rd | 2023 | 4,072 | Good |
| US 12 over Frenchtown Access Rd | 2023 | 4,072 | Good |
| US 12 over Nine Mile Hill Road | 2023 | 4,070 | Good |
| US 12 over Nine Mile Hill Road | 2023 | 4,070 | Good |
| US 12 over Dry Creek | 2023 | 3,740 | Good |
| US 12 over Dry Creek | 2023 | 3,740 | Good |
| US 12 over Touchet North Rd | 2022 | 3,740 | Good |
| US 12 over Touchet River | 2023 | 3,740 | Good |
| Reser Rd over Yellowhawk Creek | 2011 | 3,610 | Good |
| US 12 over Coppei Creek | 2005 | 3,567 | Good |
| Clinton St over Mill Creek | 1922 | 3,390 | Fair |
| US 730 over Spring Gulch | 1950 | 3,369 | Good |
| SR 124 over UPRR | 2017 | 3,327 | Good |
| Plaza Way over Cottonwood Creek | 1982 | 3,145 | Good |
| Gose St over Mill Creek | 1969 | 2,867 | Fair |
| Old Milton Hwy over Yellowhawk Creek | 1990 | 2,750 | Good |
| 13TH Ave over Mill Creek | 1980 | 2,690 | Fair |
| 4TH St over Mill Creek | 1908 | 2,624 | Poor |
| Plaza Way over Russell Creek | 1920 | 2,595 | Fair |
| US 12 over Airport Rd | 1971 | 2,430 | Fair |
| US 12 over Myra Rd | 2009 | 2,382 | Fair |
| US 12 over Myra Rd | 2009 | 2,382 | Good |
| Merriam St over Mill Creek | 1924 | 2,300 | Fair |
| Otis St over Mill Creek | 1923 | 2,296 | Fair |
| 3RD Ave over Garrison CR | 1926 | 2,125 | Fair |
| Humorist Road over US 12 | 2012 | 2,029 | Good |
| 5TH St over Mill Creek | 1916 | 1,970 | Poor |
| 6TH St over Mill Creek | 1920 | 1,970 | Poor |
| Old Milton Hwy over Walla Walla River | 1975 | 1,795 | Good |
| Old Milton Hwy over Yellowhawk Creek | 1920 | 1,795 | Fair |
| SR 124 over Abandoned Railroad | 1966 | 1,622 | Fair |
| SR 124 over Winnett Canyon | 1966 | 1,622 | Fair |
| SR 124 over Whetstone CR | 1995 | 1,621 | Good |
| SR 124 over Coppei Creek | 1994 | 1,518 | Good |
| SR 124 over County Rd | 1962 | 1,511 | Fair |
| SR 124 over Touchet River | 1984 | 1,510 | Good |
| Old Hwy 12 over Dry Creek | 1961 | 1,480 | Good |
| Spokane Street over Mill Creek | 2020 | 1,300 | Good |
| Peppers Bridge Rd over Walla Walla River | 1994 | 1,260 | Good |
| School Avenue over Russell Creek | 1995 | 1,220 | Good |
| Mojonnier Rd over Walla Walla River | 2001 | 1,115 | Good |
| Touchet Gardena Rd over Walla Walla River | 2012 | 990 | Good |
| Wallula Ave over Mill Creek | 1947 | 948 | Poor |
| Kendall Rd over Russell Creek | 1988 | 887 | Good |
| Last Chance Rd over Walla Walla River | 1997 | 850 | Good |
| Mill Creek Rd over Blue Creek | 2019 | 843 | Good |
| Mcdonald Rd over Walla Walla River | 1989 | 770 | Good |
| Pleasant St over Yellowhawk Creek | 1923 | 750 | Fair |
| Locher over Burlingame Ditch | 2002 | 720 | Good |
| Lower Waitsburg Rd over Dry Creek | 1980 | 720 | Good |
| Last Chance Rd over Mill Creek | 1977 | 681 | Fair |
| Detour Rd over Walla Walla River | 2002 | 664 | Good |
| Powerline Rd over Cottonwood Creek | 1989 | 568 | Good |
| Frog Hollow over Burlingame Ditch | 2002 | 560 | Good |
| Stateline Rd (2) over Pine Creek | 1964 | 545 | Poor |
| Hussey St over Mill Creek | 1976 | 530 | Fair |
| Lower Dry Creek Rd over Mud Creek | 1991 | 508 | Good |
| Harvey Shaw Rd over Dry Creek | 1966 | 504 | Good |
| County Road 938 over Mill Creek | 1962 | 500 | Fair |
| Peppers Bridge Rd over Yellowhawk Creek | 1989 | 496 | Good |
| S Wilbur Avenue over Russell Creek | 1989 | 462 | Good |
| SR 125 over Spring Branch | 1960 | 442 | Fair |
| SR 125 over Dry Creek | 1921 | 429 | Fair |
| SR 125 over Spring Valley Branch | 1921 | 429 | Good |
| SR 125 over Spring Valley Branch | 1955 | 429 | Fair |
| SR 125 over Spring Valley Branch | 1955 | 429 | Good |
| SR 125 over Touchet River | 1916 | 416 | Poor |
| Harvey Shaw Rd over Touchet River | 2005 | 401 | Good |
| Middle Waitsburg over Dry Creek | 2002 | 400 | Good |
| Mill Creek Rd over Mill Creek | 1981 | 380 | Poor |
| Mill Creek Rd over Mill Creek | 2019 | 380 | Good |
| Lowden Gardena Rd over Walla Walla River | 2010 | 375 | Good |
| McDONALD RD over Burlingame Ditch | 2009 | 370 | Good |
| Five Mile Rd over Mill Creek | 1953 | 340 | Poor |
| Lyons Ferry Rd over Dry Hollow | 1988 | 335 | Good |
| Third St (d) over Dry Creek | 1995 | 304 | Good |
| Pettybone St N over Dry Creek | 2014 | 300 | Good |
| Main St over Touchet River | 2017 | 275 | Good |
| Foster Rd over Russell Creek | 1998 | 270 | Good |
| Lyons Ferry Rd over Winnett Canyon | 1988 | 254 | Good |
| Lower Waitsburg Rd over Spring Valley Creek | 1985 | 242 | Good |
| Touchet North Rd over Touchet River | 2007 | 215 | Good |
| Hart Rd over Spring Valley | 2014 | 210 | Good |
| Sapolil Rd over Dry Creek | 2006 | 210 | Good |
| Sudbury Rd over Dry Creek | 1973 | 206 | Good |
| Hart Rd over Touchet River | 1965 | 190 | Fair |
| Sand Pit Rd over Pine Creek | 1992 | 180 | Good |
| Touchet North Rd over Touchet River | 1992 | 172 | Good |
| Lower Hogeye Rd over Whiskey Creek | 1916 | 170 | Fair |
| Rainville Rd over Burglingame Ditch | 2005 | 168 | Good |
| 7TH Street over Coppei Creek | 1970 | 160 | Good |
| Lyons Ferry Rd over Fields Gulch | 1973 | 160 | Poor |
| Hood Rd over Cottonwood Creek | 2008 | 150 | Good |
| Valley Grove Rd over Dry Creek | 2003 | 146 | Good |
| Cummins Rd over Touchet River | 1995 | 142 | Good |
| Woodward Canyon Rd over Woodward Canyon | 1994 | 130 | Good |
| Byrnes Rd over UP RR | 1920 | 113 | Fair |
| Gardena Rd over Pine Creek | 2003 | 113 | Good |
| Woodward Canyon Rd over Woodward Canyon | 2012 | 102 | Good |
| Cummins Road over US 12 | 2023 | 100 | Good |
| Lower Dry Creek Rd over US 12 | 2023 | 100 | Good |
| Pettyjohn Rd over Touchet River | 1914 | 100 | Poor |
| Smith Springs Rd over Colville Gulch | 1922 | 100 | Fair |
| Smith Springs Rd over Colville Gulch | 2004 | 100 | Good |
| Sudbury Rd over Dry Run | 2023 | 100 | Good |
| Woodward Canyon Rd over US 12 | 2023 | 100 | Good |
| Guy Fine Rd over Dry Creek | 1992 | 98 | Good |
| Smith Springs Rd over Whetstone Creek | 1973 | 98 | Fair |
| Touchet North Rd over Touchet River | 1983 | 95 | Fair |
| Barney Rd over Mud Creek | 2017 | 90 | Good |
| Lamar Rd over Winnett Canyon | 2022 | 86 | Good |
| McCOWN RD over Coppei Creek | 2009 | 85 | Good |
| Luckenbill Rd over Touchet River | 1998 | 84 | Good |
| Luckenbill Rd over Dry Run | 2012 | 83 | Good |
| Mud Creek Rd over Mud Creek | 2020 | 82 | Good |
| Brown Rd over Touchet River | 2000 | 80 | Good |
| Meinburg Rd over Coppei Creek | 1971 | 80 | Poor |
| Garden Street over Drainage Ditch | 1988 | 79 | Good |
| South Fork Coppei over North Fork Coppei Creek | 1997 | 71 | Good |
| Scott Rd over South Fork Dry Creek | 2010 | 65 | Good |
| South Fork Coppei over South Fork Coppei Creek | 1997 | 61 | Good |
| Ferris Rd over Spring Valley | 1993 | 60 | Good |
| South Fork Coppei over South Fork Coppei CR | 1920 | 60 | Poor |
| Spring Valley Rd over Spring Valley | 1995 | 57 | Good |
| Swegle Rd over Walla Walla River | 1995 | 54 | Good |
| Nav Lock Bridge over Nav Lock Channel | 1966 | 50 | Fair |
| Seven Mile RD over Mill Creek | 2020 | 50 | Poor |
| Spillway Bridge over Spillway Channel | 1966 | 50 | Fair |
| Spring Valley Rd over Dry Run | 2008 | 50 | Good |
| Brown Rd over Dry Run | 2012 | 47 | Good |
| Biscuit Ridge Rd over Dry Creek | 1977 | 45 | Fair |
| Biscuit Ridge Rd over Dry Creek | 1977 | 45 | Fair |
| Biscuit Ridge Rd over Dry Creek | 1977 | 45 | Fair |
| Biscuit Ridge Rd over Dry Creek | 2018 | 45 | Good |
| Greenville Rd over Winnett Canyon | 1986 | 40 | Good |
| Skyrocket Rd over Whetstone Creek | 1992 | 40 | Good |
| Buckley Rd over Dry Creek | 1992 | 37 | Good |
| Mcfeely Rd over Winnett Canyon | 1951 | 37 | Fair |
| Smith Springs Rd over Dry Hollow | 1932 | 36 | Fair |
| Smith Springs Rd over Dry Hollow | 1926 | 36 | Poor |
| Sims Rd over Touchet River | 1990 | 32 | Good |
| Wooden Rd over Walker Canyon | 2001 | 32 | Good |
| Byerley Rd over Walla Walla River | 1997 | 30 | Good |
| Byrnes Rd over Nine Mile Canyon | 1916 | 30 | Fair |
| Van Ausdle Lane over Dry Creek | 1999 | 28 | Good |
| Klicker Mtn Rd over Blue Creek | 1976 | 25 | Good |
| Mckay Grade Rd over Russell Creek | 1996 | 25 | Good |
| Smith Springs Rd over Dry Hollow | 1926 | 24 | Poor |
| North Fork Coppei over North Fork Coppei Creek | 1997 | 22 | Good |
| North Fork Coppei over North Fork Coppei Creek | 1997 | 22 | Good |
| North Fork Coppei over North Fork Coppei Creek | 1997 | 22 | Good |
| Talbott Rd over Dry Creek | 1997 | 17 | Good |
| Smith Rd over Dry Creek | 2006 | 14 | Good |
| Spring Valley Rd over Dry Run | 1998 | 12 | Good |
| Thiel Rd over Woodward Canyon | 1953 | 9 | Poor |
| Nelms Rd over Woodward Canyon | 1994 | 7 | Good |
| Pickard Rd over Dry Hollow | 1964 | 7 | Fair |