The hoover dam bridge mike o'callaghan-pat tillman memorial bridge the hoover dam is an awesome engineering feat it took five years to complete and was built using three and one-quarter million cubic yards of concrete. Before the construction of the 635 m bridge, better known as the mike o’callaghan-pat tillman memorial bridge, travellers on route 93 between arizona and nevada crossed the colorado river on the hoover dam. The hoover dam bypass is designed and constructed to last for more than 100 years to accomplish this, the bridge was engineered to accommodate the normal expansion and contraction of concrete due to factors including temperature and weather changes, vehicular weight and movement.
Browse the latest hoover dam videos and more on historycom check out exclusive hoover dam videos and features browse the latest hoover dam videos and more on historycom brooklyn bridge. Top 10 engineering facts as the world’s tallest concrete arch span, the mike o’callaghan-pat tillman memorial bridge is a towering new reason for engineers to visit hoover dam. An overview of hoover dam construction history with links to hoover dam information and articles of facts and human-interest insight. Hoover dam bypass bridge construction time lapse video september 2006 - july 2010 courtesy: federal highway administration.
The hoover dam bypass project was completed within budget at a cost of $240 million the bridge portion cost $114 million  the bridge was the first concrete-steel composite arch bridge built in the united states,  and incorporates the widest concrete arch in the western hemisphere. Hoover dam fulfilled the goal of disseminating the one-wild colorado river through the parched southwest landscape, fueling the development of such major cities as los angeles, las vegas and phoenix capable of irrigating 2 million acres, its 17 turbines generate enough electricity to power 13 million homes.
Hoover dam built during the great depression, hoover dam was a marvel of engineering and labor. The hoover dam bypass bridge the highest and longest arched concrete bridge in the western hemisphere and the second-highest bridge of any kind in the united states. The building of the structure that connects the arizona and nevada sides of a concrete arch appears in a coffee table book called the bridge at hoover dam (nearly one million people visit the 76-year-old hoover dam each year in 2010 the historic site greeted visitors with a new addition: a 1,900-foot bridge.
Hoover dam, formerly called boulder dam, dam in black canyon on the colorado river, at the arizona-nevada border, us constructed between 1930 and 1936, it is the highest concrete arch dam in the united states. The world's biggest arch bridge - hoover dam bridge a pedestrian walk on the north side provides tourists with the only way to see hoover dam from the bridge itself as well as an array of. In 2010 the historic site greeted visitors with a new addition: a 1,900-foot bridge the mike o’callaghan - pat tillman memorial bridge is a part of the hoover dam bypass project , which was built to alleviate traffic on route 93. Construction of the bridge approaches began in 2003, and construction of the bridge itself began in february 2005 the bridge was completed in 2010 and the entire bypass route opened to vehicle traffic on october 19, 2010 the hoover dam bypass project was completed within budget at a cost of $240 million the bridge portion cost $114 million. Mike o'callaghan–pat tillman memorial bridge as visible from the hoover dam there are two lanes for automobile traffic across the top of the dam, which formerly served as the colorado river crossing for us route 93 hoover dam 75th anniversary history symposium.
Hoover dam on the colorado river, arizona-nevada, us, seen from above on the upstream (reservoir) side a bypass bridge (background) crosses black canyon just downstream, and four intake towers (foreground) divert reservoir water to a hydroelectric plant located in the base of the dam. Since the bypass bridge was finished in october 2010, the hoover dam has become even more amazing the graceful, concrete arch is designed to support the bridge its curved shape spans the gap of black canyon the bridge connects arizona and nevada, and creates a faster route across the river. Its twin-ribbed arch is the widest of its kind in the western hemisphere if you aren’t afraid of heights, visitors can even walk across the bridge for some great photo opportunities of the hoover dam and black canyon below. A pedestrian walk on the north side provides tourists with the only way to see hoover dam from the bridge itself as well as an array of descriptive plaques about the project and its environment.
A bypass bridge (background) crosses black canyon just downstream, and four intake towers (foreground) divert reservoir water to a hydroelectric plant located in the base of the dam federal highway administration hoover dam is 726 feet (221 metres) high and 1,244 feet (379 metres) long at the crest. Hoover dam historical collection - a collection of museum items, historic photographs, and news clippings related to hoover dam photograph gallery - historic and modern photographs of the dam hoover dam 75th anniversary - photographs, a video, and media coverage of the september 30, 2010 event at the dam. Building hoover dam: an oral history of the great depression reno, nev: university of nevada press isbn 978-0-87417-489-2 cummings, homer (1939) selected papers of homer cummings new york: scribners hiltzik, michael a (2010) colossus: hoover dam and the making of the american century new york: free press isbn 978-1-4165-3216-3.