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Between Nevada and Arizona
Hoover Dam Bridge
Time zone line
Hoover Dam Bridge
New method to build a reinforced concrete bridge without the conventional temporary shoring
The suspension cables for temporary support the conventional temporary shoring
suspension cable the conventional temporary shoring
High line the conventional temporary shoring
Reusable metal sliding formwork
Suspension cables the conventional temporary shoring
The concrete Arch designed for carrying the temporary and permanent load
Conventional scaffold system, too expense ! ! permanent load
Steel strut permanent load
Reinforced concrete twin Arch connected by steel struts
Steel Box Girders and concrete roadway deck permanent load
Colorado River permanent load
Lower twin arch was completed permanent load
Reusable metal sliding formwork strength
for reinforced concrete columns
Steel Box Girders arch
Opening date : Oct. 19, 2010
The center line of Colorado River and Hoover Dam Bridge was State Line of Nevada and Arizona, and also a Time Zone divided line of Pacific and Mountain Time, If drive from west to the east, when you pass the bridge, you will enter Arizona and gain one extra hour.
Mike O'Callaghan – Joined the Marines at sixteen, 1952 he lost part of his left leg in the battle of Korean War, 1971 to 1979 was Governor of Nevada, later he was the Executive Editor at the Las Vegas Sun newspaper, he died on March 5, 2004.
Designer : T. Y. Lin International (林同棪)
1988 finished the investigation and environmental report.
The design work start in July 2001 & finish two years later.
End State Line of Nevada and Arizona, and also a Time Zone divided line of Pacific and Mountain Time, If drive from west to the east, when you pass the bridge, you will enter Arizona and gain one extra hour.
Rodrigo *O Tecelão!