    
Title: Colorado River Bridge US 93 Description: Colorado River Bridge US 93; Hoover Dam Bypass; Steel-Concrete Composite Arch Bridge; Length: 1,896; 578m; Arch Span: 1,060'; 323m; Width 88'; 27m; Arch Rise: 227'; 84m; Footing: 12 each; Abutment 2 each; Maximum Pier height: 287'; 87m; at P4, P15; Hoover Dam (AKA: Boulder Dam); completed in 1936 at a cost of $49 million), an arch-gravity concrete dam in the Black Canyon of the Colorado River on the border of U.S. States Nevada and Arizona, located approximately thirty miles southeast of Las Vegas, Nevada; 1244 feet in length; 726.4 feet in height; at the time of its completion, Hoover Dam, named after President Herbert Hoover (1874-1964), who was instrumental in launching its construction, was the world's largest electric-power generating station and the world's largest concrete structure, until surpassed in both respects by the Grand Coulee Dam in 1945. Location: Colorado River Bridge US 93, August 8, 2009 Category: Geography Topic: Colorado Subject: Hoover Dam Keywords: architecture, bridges, constructions, dams, water retaining structures. Orientation: Landscape Dimensions: 3000 x 1800 (5.40 MPixels) (1.67) Print Size: 25.4 x 15.2 cm; 10.0 x 6.0 inches File Size: 15.48 MB (16,229,500 Bytes) Resolution: 300 x 300 dpi Color Depth: 16.7 million (24 BitsPerPixel) Compression: None Image Number: 0000257082c Source: Jay Robert Nash Collection |
