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The Hoover Dam Bypass project was completed within budget at a cost of $240 million; the bridge portion cost $114 million. [ 4 ] The bridge was the first concrete-steel composite deck arch bridge built in the United States, [ 5 ] and incorporates the widest concrete arch in the Western Hemisphere.
View of Hoover Dam from Mike O'Callaghan–Pat Tillman Memorial Bridge The bypass in front of the dam Mike O'Callaghan–Pat Tillman Memorial Bridge as visible from Hoover Dam. There are two lanes for automobile traffic across the top of the dam, which formerly served as the Colorado River crossing for U.S. Route 93. [117]
A highway segment opened on October 19, 2010, in the area of Hoover Dam; [18] the Hoover Dam Bypass replaces a segment of US 93 over the dam that had been closed to truck traffic due to security concerns since the September 11 attacks in 2001. [19] The bypass crosses the Colorado River on a bridge downstream of the dam.
It was announced that because of Hoover's passion towards the project, the dam would be named after him. As construction began in 1931, so did the Great Depression. Workers flocked to Boulder City ...
State Route 93 Temporary (SR 93T or SR 93X) is an unsigned 2.13-mile (3.43 km) long state highway near the Hoover Dam in Mohave County. [2] The route was originally part of the US 93 segment that travelled over Hoover Dam. It was redesignated as SR 93X on January 1, 2011, following the completion of the Hoover Dam Bypass.
In 2017, the State Route 520 floating bridge earned the American Council of Engineering Companies' Grand Conceptor Award. [61] HDR also won back-to-back Grand Conceptor Awards in 2010 and 2011. The 2011 award winner was the Hoover Dam Bypass. HDR was the project manager for this project. [62] [63] The Hoover Dam Bypass won several other ...
Hostility and mistrust are at the heart of the inability of California and six other states to reach an agreement on the Colorado River.
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