state route mile long state highway serving douglas counties state washington highway travels northwest route serves alternate route travels north serves chief bar state wildlife recreation area established highway renumbering codified state highway system branch state road later primary state highway highway crosses bridge originally opened destroyed built decade later route description begins intersection southwest bridge city rural lane street travels northwest foster creek avenue turns northeast 17th avenue later northwest columbia avenue turns southwest 10th street maple street leave city highway turns northwest following chief continues west forming southern boundary crossing bridge highway enters bridge street traveling north end intersection year conducts series surveys highways state measure traffic volume expressed terms average annual daily traffic aadt measure traffic volume average day year calculated vehicles day highway history follows route wagon roads built late 19th century east bridge completed june roadway codified state road branch connected state road retained branch creation primary secondary state highway system state purchased bridge branch moved west located north new branch created continue maintenance paved highway highway renumbering established route branch later aligned highway codified bridge later destroyed fire august replaced minute ferry new span opened 1970s major revisions route highway occurred state tried unsuccessfully transfer ownership major intersections
Washington State Route 173