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John Seigenthaler Pedestrian Bridge
The John Seigenthaler Pedestrian Bridge (previously called the Shelby Street Bridge or Shelby Avenue Bridge) is a truss bridge that spans the Cumberland River in Nashville, Tennessee, United States. It was originally opened on July 5, 1909, and was reopened as a pedestrian bridge on August 3, 2003. The bridge spans 960 m (3,150 ft)〔 and is one of the longest pedestrian bridges in the world.
==Early history==
The John Seigenthaler Pedestrian Bridge was originally known as the Sparkman Street Bridge and was built one block south of Broadway, connecting Sparkman Street and Shelby Avenue. The bridge was constructed at a cost of about $475,000. Another bridge called the Jefferson Street Bridge which was virtually identical to it was built at the same time. The Jefferson Street Bridge was opened a year after the Sparkman Street Bridge. The substructures of the bridges were light grey concrete, and the superstructures were made of steel that had been painted black.
The bridge was the first in North America to have concrete arched trusses.
The bridge was designed and construction was supervised by Howard M. Jones, the chief office engineer of the Nashville, Chattanooga and St. Louis Railway. The original architectural drawings as approved by Jones are archived at the Metro Transportation Offices.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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