Awesome Architecture of Hoover's Dam Bypass Bridge, USA

Hoover Dam Bypass Bridge is located in the Black Canyon of the Colorado River, on the border between the U.S. states of Arizona and Nevada. The Dam was constructed between 1931-1936 and was dedicated by President Franklin D. Roosevelt. The Hoover dam was named with the America President  ‘Herbert Hoover’. The four-lane Hoover Dam Bypass is a composite steel and concrete arch bridge opened on 2010.