North Hamma Hamma River Bridge, Spanning Hamma Hamma River Bridge at U.S. Route 10, Eldon, Mason County, WA
Photo Caption Pages
Spanning Hamma Hamma River Bridge at U.S. Route 10, Eldon vicinity, WA
Find maps of Eldon, WA
Documentation compiled after 1968.
Survey number HAER WA-97
Unprocessed field note material exists for this structure (N150).
Building/structure dates: 1924 initial construction
National Register Number: 82004262
Significance: The North Hamma Hamma River Bridge is one of two identical bridges spanning the north and south branches of the Hamma Hamma River (the other is the South Hamma Hamma River Bridge, HAER No. WA-96). They are part of the main highway along the east side of the Olympic Peninsula. Each is a three-hinged reinforced-concrete through arch. In many of their details, they are similar to other early reinforced-concrete through arches built by the Washington State Highway Department. Both Hamma Hamma River bridges are on the National Register of Historic Places.
Historic American Engineering Record (Library of Congress)
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