Pasco-Kenneewick Bridge — The Longest Cable-Stayed Bridge in North America

by Arvid Grant, (F.ASCE), Principal; Arvid Grant and Assocs., Olympia, Wash.,

Serial Information: Civil Engineering—ASCE, 1977, Vol. 47, Issue 8, Pg. 62-66

Document Type: Feature article


This 2503-ft long structure, built in an earthquake zone, is only the second of its kind to be constructed in the U.S. It boasts a continuous concrete girder, supported from steel cables over 1794-ft of its length, and from piers for the remainder of the length at both approach ends. The cables are anchored at the tops of two pairs of 250-ft center concrete towers, and along the edges of the bridge at 27-ft centers. When complete in mid-1978, it will loom monumentally across the Columbia River, Washington, in what some sources consider to be North America's most technically interesting bridge in terms of design, innovations, esthetics, and construction method, within the past couple of decades.

Subject Headings: Cable stayed bridges | Cables | Bridge towers | Bridge design | Infrastructure construction | Construction methods | Earthquakes | Concrete | North America | Washington | United States

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