MP: 21.92 Location: Sediment Dam Rd, Cowlitz Cty You can always tell when you’re around DOT maintenance yards because everything is really well signed. If this SPUR led to a state park or something there is no way there would be an END sign there. But alas, here there is one. E to Mt. St. … Continue reading State Route 504 SPUR, SR 504 to DOT Maintenance Yard