Project Description

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Since its completion in 1936, Route U.S. 93 over Hoover Dam has served as a major transportation corridor. In those 70 years, increased traffic volume combined with the large number of pedestrian visitors at the dam has necessitated a bypass route. The new Colorado River Bridge, just downstream of the dam, will carry traffic 900 feet above the river avoiding the sharp turns and narrow roadway leading to the dam.

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Awards

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2011 American Segmental Bridge Institute (ASBI) Award of Excellence

Location

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Over the Colorado River at Hoover Dam

Arizona / Nevada State Border

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Owner

 

FHWA Central Federal Lands Highway Division (CFLHD)

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Contractor

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Obayashi / PSM (Joint Venture)

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Designer

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TYLin / HDR

Total Contract Value

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$114 million

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Timeline

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2001 - 2010

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Construction Method

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• Precast segmental columns

  • Maximum height 287 ft

• Cast-in-place segmental concrete arch
  • Main span 1,060 ft
• Arch construction using temporary stay cable system

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Our Role

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Hatcher Technical worked with construction engineer McNary Bergeron & Johannesen to develop fully integrated three-dimensional CAD models of the precast arch spandrel segments to identify and resolve conflicts.

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Areas of the project that Hatcher Technical worked on included:

• Precast arch spandrel segments