Sam Hill Memorial Bridge, Steel truss road bridge in Biggs Junction, Oregon and Maryhill, Washington, United States.
The Sam Hill Memorial Bridge features a polygonal Warren through truss design spanning 2,567 feet across the Columbia River with a main span of 341 feet.
Construction began on October 3, 1960, funded by the Washington State Toll Bridge Authority, replacing a ferry service that operated since the 1920s.
The bridge honors Sam Hill, who contributed to regional infrastructure development and established the nearby Maryhill Museum of Art along the Columbia River.
The bridge deck underwent complete replacement in 2007-2008 with a $16 million investment, extending its service life by 25 years for 5,100 daily vehicles.
Originally operating as a toll bridge charging $1 per vehicle, the structure became free to cross in February 1975 and connects U.S. Route 97 between states.
Location: Washington
Location: Oregon
Inception: 1962
Official opening: November 1, 1962
GPS coordinates: 45.67600,-120.83600
Latest update: November 28, 2025 14:29
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