Английская Википедия:Douglas Underpass
Шаблон:Use mdy dates Шаблон:Infobox NRHP
The Douglas Underpass is a concrete underpass in Douglas, Arizona, allowing U.S. Highway 80 (US 80) to pass under the Southern Pacific Railroad tracks in 1936. It was added to the National Register of Historic Places on June 30, 1988.[1]
In 1935 the underpass was engineered by the Arizona Highway Department, as a two-span reinforced concrete slab. Construction required just under Шаблон:Convert of concrete and over Шаблон:Convert of reinforced steel. Funded by monies from the 1935 federal relief bill, construction began in March 1936 by Jack A. Casson, a contractor from Phoenix, Arizona. He completed the structure by November at a cost of $122,687 (equivalent to $Шаблон:Formatprice in Шаблон:Inflation-yearШаблон:Inflation-fn), and the underpass was officially opened on November 7, 1936.[1] When the underpass was completed, it marked the final grade-crossing to be done away with on the cross-country US 80.[2] When the underpass was opened it was met by great fanfare from the town.[3][4] At the opening ceremony, state highway engineer T. S. O'Connell remarked, "This underpass is one of the outstanding works of its kind not only in Arizona but in the entire Southwest." It functioned unaltered through the 1990s.Шаблон:R
In 1999 it was proposed that the underpass was too narrow, and that it should be demolished, and a new bypass created.[5] It was eventually demolished in 2001.[3]
References
- Английская Википедия
- National Register of Historic Places in Cochise County, Arizona
- Tunnels in Arizona
- Tunnels completed in 1936
- Demolished buildings and structures in Arizona
- Buildings and structures demolished in 2001
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