Hoover dam bypass

Hoover dam bypass

Construction of the Colorado River Bridge is advancing on the 1,060 foot twin-rib concrete arch.
The Colorado River Bridge is the central portion of the Hoover Dam Bypass Project.
Construction on the nearly 2,000 foot long bridge began in late January 2005 and the completion of the entire Hoover Dam Bypass Project is expected in Late 2010.
When completed, this signature bridge will span the Black Canyon (about 1,500 feet south of the Hoover Dam), connecting the Arizona and Nevada Approach highways nearly 900-feet above the Colorado River.


*Hoover Dam Statistics*

* Construction period: April 20, 1931 – March 1, 1936
* Construction cost: $49 million ($736 million adjusted for inflation from 1936 to 2008)
* Deaths attributed to construction: 112; 96 of them at the construction site[30][31][49]
* Dam height: 726.4 ft (221.4 m), second highest dam in the United States. (Only the Oroville Dam is taller)
* Dam length: 1,244 ft (379 m)
* Dam thickness: 660 ft (200 m) at its base; 45 ft (14 m) thick at its crest.
* Average flow release: 22,000 cfs
* Concrete: 4,360,000 cu yd (3,330,000 m3)
* Maximum electric power produced by the water turbines: 2.08 gigawatts
* Approximate power output: 4,000,000,000 kW·h (1.4×1010 MJ) per year (i.e. $200 million at $0.05 per kWh)
* Traffic across the dam: 13,000 to 16,000 people each day, according to the Federal Highway Administration
* Lake Mead (full pool)
o area: 157,900 acres (63,900 ha), backing up 110 mi (180 km) behind the dam.
o volume: 28,537,000 acre feet (35.200 km³) at an elevation of 1,221.4 ft (372.3 m).
* With 8 to 10 million visitors each year, including visitors to Hoover Dam but not all traffic across the dam, the Lake Mead National Recreation Area is the fifth busiest National Park Service

*Popular culture*

Hoover Dam has appeared in a number of movies, including the The Silver Streak, Saboteur, Vegas Vacation, Cherry 2000, Transformers, Viva Las Vegas, Universal Soldier, Superman, and dozens of others. For the movie Fools Rush In, the authorities painted (and kept) the border between Arizona and Nevada. Other appearances include the animated feature Beavis and Butt-head Do America and the upcoming video game Fallout: New Vegas.

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