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The steel was shipped from Kansas on December 30. [6] The truss design was approved in January 1913 and the bridge was 80% complete by June. [5] The completed bridge was accepted in July, at a cost of $4,985. It was the first truss bridge built by Arizona and the first "designed, fabricated and erected by a nationally important bridge firm." [3]
The Arizona Department of Transportation (ADOT) is the agency responsible for building and maintaining the Interstate Highways in the Arizona State Highway System. These highways are built to Interstate Highway standards , which are freeways that have a 75-mile-per-hour (121 km/h) speed limit in rural areas and a 65 mph (105 km/h) speed limit ...
The Glen Canyon Bridge or Glen Canyon Dam Bridge is a steel arch bridge in Coconino County, Arizona, carrying U.S. Route 89 across the Colorado River.The bridge was originally built by the United States Bureau of Reclamation to facilitate transportation of materials for the Glen Canyon Dam, which lies adjacent to the bridge just 865 feet (264 m) upstream.
Voters in Arizona voted down a similar plan to build the tunnel in 1975, after voting down a proposal for a raised highway through Downtown Phoenix in 1973. [2] Plans for the Deck Park Tunnel were finally approved by voters in 1979, and construction began in 1983.
The bridge was paid for by the nascent Arizona State Highway Commission (now the Arizona Department of Transportation) in cooperation with the United States Department of the Interior's Bureau of Indian Affairs, as the eastern landing is on the Navajo Nation. The steel spandrel bridge was designed and constructed by the Kansas City Structural ...
Railroads in the U.S. and elsewhere had been leaders in structural development. The masonry arch bridges and viaducts of the early 19th century had given way to bridges made mostly of steel , with considerable economy of material, construction cost, and time, and Bainbridge speculated that similar savings might be possible for dams.
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