Preserving Williamsburg's Cables

by Maria Grazia Bruschi, Proj. Engr.; Steinman Boynton Gronquist & Birdsall, New York, NY,
Terry L. Koglin, Proj. Specialist; Steinman Boynton Gronquist & Birdsall, New York, NY,

Serial Information: Civil Engineering—ASCE, 1996, Vol. 66, Issue 3, Pg. 36-39

Document Type: Feature article


The main-cable preservation project of New York's Williamsburg Bridge has to protect the cable system for at least 100 years. After extensive field tests, engineers devised a corrosion protection system to beat the bridge's challenging corrosion environment. A cable study of the Williamsburg Bridge conducted in the early 1980s projected that, by 1992, the cables would be unsafe to support the bridge and its traffic, and recommended cable replacement. The Federal Highway Administration hesitated to participate in a cable replacement project on a substandard bridge structure and suggested a complete bridge replacement. Rather than replacing the bridge, the New York City Department of Transportation awarded a $73 million, three-year cable preservation contract to the joint venture nab/Koch, New York, as part of a $500 million rehabilitation project for the entire bridge.

Subject Headings: Cables | Cable stayed bridges | Project management | Historic preservation | Protective structures | Maintenance and operation | Highway bridges

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