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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]
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.
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 ...
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.
US 93 was realigned again on October 19, 2010, when the Mike O'Callaghan–Pat Tillman Memorial Bridge over the Black Canyon of the Colorado River opened to vehicular traffic. With that, the highway no longer passes over Hoover Dam, and the state-maintained portion of the replaced route was renamed as Hoover Dam Access Road . [12]
While the state highway designation ends at this point, the Hoover Dam Access Road continues eastward, passing the Mike O'Callaghan – Pat Tillman Memorial Bridge Plaza, the Hoover Dam visitor center, and then crosses the dam itself into Arizona. However, it only runs a short distance in that state before looping through a new parking area at ...
November 11, 2009, was an ordinary day for two construction workers on a highway near the historic Hoover Dam on the border of Nevada and Arizona. That is, until something out of the ordinary ...
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