Claim: Ross Island Bridge is 3,729 feet in length, was opened in December of 1926, and crosses the Williamette River in Portland, Oregon.
Evidence: The Ross Island Bridge is a cantilever truss bridge that spans the Willamette River in Portland, Oregon. The bridge opened in 1926 and was designed by Gustav Lindenthal and honors Oregon pioneer Sherry Ross. Willamette River Portland, Oregon Ross Island Bridge 3,729 ft December 21, 1926