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Livingston Avenue Bridge
The Livingston Avenue Bridge is a railroad bridge over the Hudson River in New York connecting Albany and Rensselaer. The original structure was built in 1866 by the Hudson River Bridge Company but was replaced in 1901–02. A rotating swing bridge span allows large ships to proceed up the river.
The New York State Department of Transportation (DOT) has identified the bridge as a critical link in its Empire Corridor passenger rail line, and has initiated a study project for bridge rehabilitation or replacement.
==Operation==
The bridge was purchased from CSX in December 2012 as part of Amtrak's Empire Corridor lease. The lease grants Amtrak ownership and control over the bridge and adjoining 100 miles of track, extending east from Hoffmans, NY to Albany-Rensselaer station, then south to MP 75, just north of Poughkeepsie, NY. A small branch extends east from Albany-Rensselaer station down the Post-Road subdivision, where Amtrak's ownership terminates just south of the Interstate 90 Berkshire Spur overpass. The Livingston Avenue Bridge is most frequently used for east-west travel in New York, as well as freight trains of CSX and CP Rail. The bridge hosts an active railroad interlocking tower and Amtrak block operators staff the tower 24 hours a day. They are responsible for directing rail traffic around Amtrak's Rensselaer Terminal and nearby trackage as well as opening and closing the bridge. Due to the deteriorated condition of the bridge, trains cross one at a time at . DOT considers the swing bridge mechanism to be unreliable and the overall bridge design inadequate for current railroad operating standards. The bridge opens for ship traffic about 400 times per year.〔New York State Department of Transportation, Albany, NY. ("Livingston Avenue Bridge. Project I.D. No. 1935.49." ) Accessed 2012-08-07.〕
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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