Historic Columbia River Highway, Sandy River Bridge at Troutdale, Historic Columbia River Highway spanning Sandy Riv, Troutdale, Multnomah County, OR
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Historic Columbia River Highway spanning Sandy Riv, Troutdale vicinity, OR
Find maps of Troutdale, OR
Documentation compiled after 1968.
Survey number HAER OR-36-A
Building/structure dates: 1912 initial construction
Building/structure dates: 1938 subsequent work
Building/structure dates: 1950 subsequent work
National Register Number: 83004168
Significance: First modern bridge constructed on what became the Historic Columbia River Highway. Designed by the premier bridge engineering firm of Waddell and Harrington, which also created the 1912 Steel Bridge, a through double-deck vertical lift truss of telescoping design, and the 1910 Hawthorne Bridge, a through vertical lift truss, both over the Willamette River in Portland.
Steel Truss Bridges
Waddell & Harrington
Oregon Bridge & Construction Company
Oregon Department Of Transportation
McCullough, Conde B.
Collier, E. A.
Hadlow, Robert W., Historian
Grogan, Brian, Photographer
Historic American Engineering Record (Library of Congress)
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