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Location: Washington         Length: 13 min

In 1928, the coastal city of Hoquiam in Washington state was a boom town supplying timber for the rapidly growing American West. The Simpson Avenue Bridge opened that year, but its design became problematic as it entered the Twenty­-First Century. WSDOT transportation engineers found a smart way to preserve the bridge and keep it functioning for the people of today. This is a brief history of the Simpson Avenue bridge, highlighting the innovative work done to repair the bridge with minimal cost and impact to the traveling public.

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Produced in 2013 by the Washington State Department of Transportation Visual Engineering Resource Group

Copyright 2013 by the Washington State Department of Transportation

History of Washington (state) (Wikipedia)

Simpson Avenue Bridge (Hoquiam River Bridge) Historic American Engineering Record (Library of Congress)

Washington Department of Archaeology and Historic Preservation

Washington State Department of Transportation: Cultural Resources