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Green Island Bridge

Albany County, New York
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Description 

When rail service ended in Troy on July 27, 1963, it was converted for automobile traffic. Until then the northern span was a rail bridge, and the southern span was a toll bridge for cars, trolleys, and pedestrians. It had a lift span added in 1924-25 for river shipping. This bridge failed on March 15, 1977 due to flooding caused by 2.7 inches (69 mm) of heavy weekend rains, coupled with melting snows and heavy runoff. The flood-induced scour undermined the lift span pier, causing the western lift tower and roadbed span of the bridge to collapse into the Hudson River.

Facts 

Overview
Lost Through truss bridge over Hudson River on Railroad/Road
Location
Troy, Albany County, New York
Status
Replaced by a new bridge
History
Built 1884, lift span added in 1924-25, other span converted for automobile traffic in 1963, lost to scour caused by flooding in 1977
Design
Through truss
Approximate latitude, longitude
+42.73595, -73.69086   (decimal degrees)
42°44'09" N, 73°41'27" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/607162/4732324 (zone/easting/northing)
USGS topographic map
Troy South
Inventory number
BH 52624 (Bridgehunter.com ID)

Categories 

19th Century (3,819)
Albany County, New York (34)
Built 1884 (98)
Built during 1880s (1,044)
Delaware & Hudson Railway (22)
Green Island, New York (1)
Hudson River (23)
Lost (10,360)
Lost 1977 (14)
 Lost during 1970s (136)
Movable (1,355)
Navigable waterway (1,448)
New York (1,767)
Replaced by new bridge (7,134)
Through truss (9,205)
Troy, New York (7)
Truss (23,567)
Vertical lift (275)

Update Log 

  • June 6, 2012: Updated by Luke Harden: Added categories "Navigable waterway", "Hudson River", "Delaware & Hudson Railway", "Destroyed by flood"

Sources 

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