City Waterway Bridge, Spanning City Waterway at State Route 509, Tacoma, Pierce County, WA
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Spanning City Waterway at State Route 509, Tacoma, WA
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Documentation compiled after 1968.
Survey number HAER WA-100
Unprocessed field note material exists for this structure (N151).
Building/structure dates: 1911 initial construction
Significance: The City Waterway Bridge is an early example of a vertical lift bridge, designed by the renowned firm of Waddell and Harrington. Three features made it remarkable, if not unique among vertical lift bridges of the day: the unusually great height of the deck above the water; the employment of an overhead span designed for carrying a water pipe, and the fact it was built on a grade.
Historic American Engineering Record (Library of Congress)
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