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Engineering

Gallery: Hoover Dam Bridge

Strong stomachs and serious suspension

Related BOWN Article: Mike O’Callaghan—Pat Tillman Memorial Bridge

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Hoover Dam Bridge Image 1

Temperatures upward of 115°F, winds capable of felling cranes, an 890-foot drop below: "Inhospitable" doesn't begin to describe conditions at the Colorado River's new Mike O'Callaghan-Pat Tillman Memorial Bridge.
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Hoover Dam Bridge Image 2

A 1,900-foot span designed to divert traffic from the narrow, switchback-laden road across the Hoover Dam, it will be the longest concrete arch bridge in the Western Hemisphere when it opens next fall, with 106 segments of ultra-high-strength concrete forming a twin-rib arch.
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