 SR 162 begins at a diamond interchange with the SR 410 freeway in Sumner and travels south as a continuation of Valley Avenue , crossing the Puyallup River . The highway continues south through rural Pierce County , following a Ballard Terminal Railroad line and the Puyallup River . It serves the community of Alderton and joins the Pierce County Foothills Trail , traveling southeast from Puyallup . SR 162 crosses the Puyallup River on the McMillin Bridge , listed on the National Register of Historical Places , west of its confluence with the Carbon River . It becomes Washington Avenue as it travels southeast through Orting , serving Orting High School . The highway turns southwest onto Bridge Street and crosses the Foothills Trail before turning back southeast onto Herman Way , later Pioneer Way outside of Orting , towards South Prairie . SR 162 continues northeast , crossing the Foothills Trail and the Carbon River before passing through South Prairie . The highway travels east , crossing South Prairie Creek and passing White River High School , before ending at an intersection with SR 165 southwest of Buckley . 
