Hoover Dam is one of the tallest concrete dams ... Most motorists traveling between Arizona and Nevada use a bypass bridge high above the dam that opened in 2010. The Bureau of Reclamation owns ...

Hoover Dam is one of the tallest concrete dams ... Most motorists traveling between Arizona and Nevada use a bypass bridge high above the dam that opened in 2010. The Bureau of Reclamation owns ...

The Hoover Dam bypass bridge is not just any bridge, however. Soaring 890 feet above the Colorado River, it's the second-highest span in the United States (the Royal Gorge Bridge in Colorado is 65 ...

The flat top lone mountain in the center of the photograph will be an island 14 feet above water ... toward the site of Hoover Dam, shows a temporary steel suspension bridge in the foreground ...

Hoover Dam is one of the tallest concrete dams ... Most motorists traveling between Arizona and Nevada use a bypass bridge high above the dam that opened in 2010. The Bureau of Reclamation owns ...