File:Alsea Bay Bridge At Low Tide.jpg
The first bridge over the Alsea Bay was designed by Conde McCullough and opened in 1936. It was a 3,011 feet long.
The hostile environment caused significant corrosion to the steel reinforcements. In 1972 the Oregon Department of Transportation began projects aimed at extending the life of the bridge. By the mid-1980's it was decided to replace the bridge rather than continuing costly rehabilitation efforts. The first bridge was demolished in 1991.
Construction of the second bridge, began in 1988, and it was opened in the fall of 1991 at a cost of $42.4 million. The bridge is 2,910 ft in total length, with a 450 ft main span that provides 70 ft of vertical clearance. The bridge has a latex concrete deck and the piers are significantly thicker than normal in an attempt to thwart corrosion. Its life expectancy is 75 to 100 years.
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This image was originally posted to Flickr by Kirt Edblom at https://flickr.com/photos/27190564@N02/16868658029. It was reviewed on 23 January 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |