Charles River Bridge (Commuter Rail)

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Charles River Bridge
A truss bridge with a train passing over it
Charles River Bridge with a train in 2013
Coordinates42°22′08″N 71°03′55″W / 42.36898°N 71.06529°W / 42.36898; -71.06529Coordinates: 42°22′08″N 71°03′55″W / 42.36898°N 71.06529°W / 42.36898; -71.06529
Carriesrail traffic over 4 tracks, split between the two bridges
CrossesCharles River
LocaleBoston, Massachusetts
Characteristics
Designsingle-leaf, through-truss, rolling bascule bridge
MaterialSteel
Total length92 feet (28 m) (±5 feet (1.5 m))
No. of spans1
Piers in water0
History
DesignerKeller & Harrington, Chicago[1]
Opened1931[1]
Location
Wikimedia | © OpenStreetMap

The Charles River Bridge is a pair of railroad single-leaf, through-truss, rolling bascule bridges across the Charles River that connects North Station in Boston, Massachusetts to MBTA Commuter Rail lines in northern Massachusetts, United States.

History[]

Although rail bridges across the Charles River near the present location of North Station have existed since the Boston and Lowell Railroad opened in 1835, the current bridges date from 1931, when the navigable channel of the Charles River was shifted 300 feet to the north of its former route to allow the platforms at North Station to be extended northwards.[1][2] The bridges were formerly connected to North Station by a wooden trestle; the trestle burned in January 1984, forcing all trains to terminate at a temporary station north of the river for 15 months.[2]

Design and construction[]

These bridges were designed by Keller & Harrington of Chicago, Illinois, and built by the Phoenix Bridge Company of Phoenixville, Pennsylvania. Each bridge uses a 629-short-ton (571 t) over-head concrete counterweight. Originally, there were four bridges, but only two of them remain.[1]

See also[]

References[]

  1. ^ Jump up to: a b c d "Boston & Maine Railroad, Charles River Bridges, Charles River, North Station vicinity, Boston, Suffolk County, MA". Washington, DC: Historic American Engineering Record. 1984. pp. 2–3. Retrieved 2009-07-16.
  2. ^ Jump up to: a b Humphrey, Thomas J. & Clark, Norton D. (1985). Boston's Commuter Rail: The First 150 Years. Boston Street Railway Association. pp. 55, 57, 65–66. ISBN 9780685412947.

External links[]


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