Siuslaw River Bridge  | |
|---|---|
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| Coordinates | 43°57′50″N 124°06′32″W / 43.964°N 124.109°W | 
| Carries | |
| Crosses | Siuslaw River | 
| Locale | Florence, Oregon | 
| Maintained by | ODOT | 
| Characteristics | |
| Design | Double tied-arch with central bascule draw span | 
| Total length | 1,568 feet (478 m) | 
| Longest span | 140 feet (43 m) | 
| History | |
| Opened | March 31, 1936 | 
Siuslaw River Bridge No. 01821  | |
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| Location | OR Coast 9, US101, MP109.98, Florence, Oregon | 
| Area | 2.2 acres (0.89 ha) | 
| Built | 1935–36 | 
| Built by | Mercer-Fraser Company | 
| Architect | Conde B. McCullough | 
| Architectural style | Late 19th and 20th Century Revivals, Modern Movement | 
| MPS | McCullough, C. B., Major Oregon Coast Highway Bridges MPS | 
| NRHP reference No. | 05000816[1][2] | 
| Added to NRHP | August 5, 2005[1] | 
| Location | |
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 $11.2 million in 2022[4]).
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The bridge was added to the National Register of Historic Places on August 5, 2005.[1]
See also
References
- 1 2 3 "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.
 - 1 2 3 4 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 May 28, 2023.
 
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
 


