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ACEC Engineering Excellence 2017: Boca Grande Causeway Swing Bridge project in Placida, Florida

Posted by Infra on Monday, March 13th, 2017

ACEC Engineering Excellence Awards 2017The following project is among 162 engineering achievements from throughout the nation and the world being recognized by ACEC as the year’s finest examples of engineering excellence. Each will be honored at the upcoming 50th Anniversary, ACEC Engineering Excellence Awards Dinner and Gala, a black-tie event on Tuesday, April 25, 2017, at the Marriot Wardman Park Hotel in Washington, D.C. 

Hardesty & Hanover, of Tampa, Fla., has earned a National Recognition Award for exemplary engineering achievement in the American Council of Engineering Companies’ (ACEC) 50th annual Engineering Excellence Awards (EEA) for Boca Grande Causeway Swing Bridge project in Placida, Fla.

Spanning the picturesque Boca Grande pass, the swing bridge is the only structural link connecting Charlotte County to the barrier islands. Despite a rigorous maintenance program, the swing span’s operational reliability had become more difficult to maintain. Along with narrow travel lanes unsuited for 21st Century traffic, the low-lying bridge and its substructure was at risk of collapse from vessel impacts, and wave loading from coastal storm events.

Hardesty & Hanover’s replacement design incorporated an innovative deck system that reduces the number of supporting elements, resulting in improved stability while also reducing the number of waterborne obstructions. Constructed adjacent to the original bridge, the new swing structure’s construction was carefully coordinated with marine traffic to synchronize span openings without compromising emergency access to the island.

Hardesty & Hanover: Boca Grande Causeway Swing Bridge project in Placida, Fla.

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