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Object 116

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Hoover Dam Bridge, March 27, 2011

 Item — Object: 116
Scope and Contents

Bill Dowd, P.E. from HDR (retired) was the design team project manager for the Hoover Dam bridge. Listen to the unusual construction methods for this 1900 foot bridge that is 900 feet above the canyon floor. Watch the time-lapse photographic record of the construction. 

Dates: March 27, 2011