SR 504 - Wooster Creek - Fish Barrier Removal - Project map

State Route 504 - Wooster Creek - overall project map location in Cowlitz County

State Route 504, also known as Silver Lake Highway, is located in central Cowlitz County, and is the main highway through Silver Lake and Toutle WA. Currently, the Wooster Creek culvert is failing. It will be replaced by a 20-foot concrete span bridge.