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Hydraulic Jack

Rogue River Bridge
Society: ASCEMain Category: CivilSub Category: BridgesEra: 1930-1939DateCreated: 1931Rogue RiverGold BeachState: ORZip: 97444Country: USAWebsite: http://www.asce.org/Project/Rogue-River-Bridge/Creator: McCullough, Conde

The Rogue River Bridge was the most advanced concrete bridge in America when it was built. Distinguished bridge engineer Conde McCullough employed the techniques of Frenchman Eugene Freyssinet to create thin, graceful concrete arches for this seven-span structure.

Pre-compression of the concrete arch was achieved and, as a result of its success, pre-stressing became one of the hallmarks of American bridge building techniques.

YearAdded:
1982
Image Credit: Courtesy Flickr/Bruce Fingerhood (CC BY 2.0)Image Caption: Rogue River BridgeEra_date_from: 1931
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