Dosewallips River Bridge, U.S. Route 101 spanning Dosewallips River, Brinnon, Jefferson County, WA
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U.S. Route 101 spanning Dosewallips River, Brinnon, WA
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Documentation compiled after 1968.
Survey number HAER WA-94
Unprocessed field note material exists for this structure (N147).
Building/structure dates: 1923 initial construction
Significance: The Dosewallips River Bridge is an example of a riveted through Pettit truss with sub-struts and polygonal top chord (Pennsylvania truss). It is possibly the earliest example of the standard 240' truss design devised by the Washington State Department of Highways in the period 1920-1922.
Historic American Engineering Record (Library of Congress)
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