 State Route 225 is an 11 @.@ 32 @-@ mile ( 18 @.@ 22 km ) long two @-@ lane state highway located entirely in Benton County . The highway travels over the Benton City – Kiona Bridge over the Yakima River and connects Benton City to I @-@ 82 via SR 224 . The bridge is listed on the Washington Heritage Register and National Register of Historic Places . 
