Washington County Bridge Report Cards

Compare county Bridge Condition Exposure Scores in Washington by condition, traffic exposure, scour-critical bridges, average age, and data completeness. View the scoring methodology.

CountyGradeScorePoorPoor TrafficScour-CriticalAvg Age
Douglas CountyF4112.5%16,347/day561 yrs
Ferry CountyF4310.9%3,664/day651 yrs
Adams CountyF4412.3%84,846/day365 yrs
Columbia CountyF4610.5%5,661/day947 yrs
Chelan CountyF488.1%88,174/day1651 yrs
Grays Harbor CountyF508.4%150,759/day4747 yrs
Pacific CountyF517.5%43,298/day1151 yrs
Stevens CountyF5112.0%3,219/day1552 yrs
Okanogan CountyF527.5%32,427/day1354 yrs
Kittitas CountyF5311.2%312,038/day1452 yrs
Pend Oreille CountyF5415.5%4,624/day144 yrs
Klickitat CountyF596.6%17,218/day750 yrs
Jefferson CountyD635.2%21,822/day944 yrs
Lewis CountyD634.0%83,350/day5656 yrs
Skamania CountyD649.2%10,658/day452 yrs
Whitman CountyD653.7%34,574/day3252 yrs
Clallam CountyD685.2%10,866/day1545 yrs
Garfield CountyC707.4%2,362/day056 yrs
Walla Walla CountyC709.2%22,202/day746 yrs
Yakima CountyC725.6%159,103/day2552 yrs
Wahkiakum CountyC722.7%1,152/day355 yrs
Mason CountyC722.9%18,526/day1249 yrs
Lincoln CountyC736.1%11,780/day261 yrs
Clark CountyC734.6%112,935/day1747 yrs
Whatcom CountyC745.6%70,971/day1555 yrs
Spokane CountyC776.8%150,731/day847 yrs
Cowlitz CountyC773.7%50,789/day951 yrs
Snohomish CountyC774.0%176,353/day3345 yrs
Asotin CountyC790.0%0/day351 yrs
San Juan CountyB800.0%0/day446 yrs
Benton CountyB816.6%80,674/day148 yrs
Pierce CountyB824.6%206,993/day1451 yrs
King CountyB834.0%920,598/day4348 yrs
Franklin CountyB833.0%1,663/day555 yrs
Skagit CountyB842.3%25,858/day1053 yrs
Kitsap CountyB840.8%18,159/day835 yrs
Thurston CountyB841.0%20,643/day1347 yrs
Grant CountyB873.0%21,477/day353 yrs