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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.
The dam's generators provide power for public and private utilities in Nevada, Arizona, and California. Hoover Dam is a major tourist attraction, with 7 million tourists a year. [7] The heavily traveled U.S. Route 93 (US 93) ran along the dam's crest until October 2010, when the Hoover Dam Bypass opened.
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.
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.
The Hoover–Mead Security Zone encompasses 22 square miles (57 km 2) around Hoover Dam and Lake Mead; before the opening of the bypass, this included 3.3 miles (5 km) of U.S. Highway 93 (US 93). [ 9 ] [ 10 ] Vehicles had to pass through inspection checkpoints, located on US 93 one mile (1.6 km) north of the dam in Nevada , and nine miles (14 ...
The first stage of the project started April 8 and included total closure of the eastbound traffic lanes between Hoover Avenue and Interstate 39, while the westbound lanes were reduced to one lane.
The first was the route of U.S. Route 93 across northwestern Arizona, which then included a slow route with numerous hairpin curves over the Hoover Dam. The Hoover Dam Bypass opened on October 16, 2010, resolving that issue. [6] The second issue was a gap near Phoenix. The official designation is Interstate 10 to U.S. Route 93 at Phoenix ...
Crews opened a second temporary channel on Tuesday allowing a limited amount of marine traffic to bypass the mangled wreckage of Baltimore’s collapsed Francis Scott Key Bridge, which had blocked ...