The Hoffstadt Creek bridge is the longest of 14 along the new Spirit Lake Memorial Highway (the western approach to Mt. St. Helens). The bridge's total length is 2340 feet, and is 370 feet above Hoffstadt Creek. The main span is 600 feet long and 370 feet above the stream bed. A series of piers support three sections of steel truss (clearly seen in these views), as well as four sections of steel plate girders at the bridge's eastern end.
Hoffstadt Creek Bridge Postcard (PH Wish from Janet Durfee)
Overview: Deck truss bridge over Hoffstadt Creek on WA 504 Location: Cowlitz County, Washington Built: 1987 - 1994 Design: Deck truss Length of largest span: 600.1 ft. Total length: 2,340.0 ft. Deck width: 32.2 ft.