Siuslaw River Bridge
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The Siuslaw River Bridge is a bascule bridge that spans the Siuslaw River on U.S. Route 101 in Florence, Oregon. It was designed by Conde McCullough, built by the Mercer-Fraser Company of Eureka, California, and funded by the Federal Emergency Administration of Public Works (later renamed the Public Works Administration). It opened in 1936.[3]
The bridge's total length is 1,568 feet (478 m).[3] When open, the 140-foot (43 m) double-leaf bascule provides 110 feet (34 m) of horizontal clearance for boat traffic. The bascule section is flanked by two 154-foot (47 m) reinforced concrete tied arches, identical to those used in the original Alsea Bay Bridge.[3] Four Art Deco-style obelisks house mechanical equipment as well as living quarters for the bridge operator.[3] The total cost of the bridge was $527,000 (equivalent to $11.7 million in 2023[4]).
![](http://upload.wikimedia.org/wikipedia/commons/thumb/4/4a/Siuslaw_River_Bridge_%2832526334940%29.jpg/220px-Siuslaw_River_Bridge_%2832526334940%29.jpg)
The bridge was added to the National Register of Historic Places on August 5, 2005.[1]
See also
Transport portal
Engineering portal
Oregon portal
- List of bridges documented by the Historic American Engineering Record in Oregon
- List of bridges on the National Register of Historic Places in Oregon
- List of bridges on U.S. Route 101 in Oregon
References
- ^ a b c "Oregon National Register List" (PDF). Oregon Parks and Recreation Department. June 6, 2011. p. 22. Retrieved June 7, 2013.
- ^ "National Register Information System". National Register of Historic Places. National Park Service. July 9, 2010.
- ^ a b c d Hadlow, Robert W. (2001). Elegant Arches, Soaring Spans: C. B. McCullough, Oregon's Master Bridge Builder. Oregon State University Press. pp. 93–94, 105, 138. ISBN 0-87071-534-8.
- ^ 1634–1699: McCusker, J. J. (1997). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States: Addenda et Corrigenda (PDF). American Antiquarian Society. 1700–1799: McCusker, J. J. (1992). How Much Is That in Real Money? A Historical Price Index for Use as a Deflator of Money Values in the Economy of the United States (PDF). American Antiquarian Society. 1800–present: Federal Reserve Bank of Minneapolis. "Consumer Price Index (estimate) 1800–". Retrieved February 29, 2024.
External links
Media related to Siuslaw River Bridge (Florence, Oregon) at Wikimedia Commons
- Historic American Engineering Record (HAER) No. OR-58, "Siuslaw River Bridge, Spanning Siuslaw River at Oregon Coast Highway, Florence, Lane County, OR", 25 photos, 2 color transparencies, 7 data pages, 4 photo caption pages
- Siuslaw River Bridge at Structurae
- Video of bridge's bascule span open on YouTube
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