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Rogue River Bridge
Society
Main Category
Sub Category
Era
Date Created
Location Country
us
Coordinates
42.4272, -124.4133
Address1
Rogue River
Address2
Oregon Coast Hwy
City
Gold Beach
State
Country
Zip

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.

Hydraulic jacks set at the crown of the arches were used to compensate for stresses induced by rib shortening, concrete shrinkage, temperature differentials, and movement of the fixed-end supports. These factors had previously been thought to limit the concrete arch to unyielding foundations, relatively short spans, or high rise-to-span ratios.

The Rogue River Bridge, a seven-span arch bridge, was the first major structure in America to use the concept of the pre-stressed concrete arch.
Image Credit
Courtesy Flickr/Bruce Fingerhood (CC BY 2.0)
Image Caption
Rogue River Bridge
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