Thames River Bridge (Amtrak)
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Amtrak's Thames River Bridge spans the Thames River between New London and Groton, Connecticut.
Design and history
The bridge was originally a Strauss heel-trunnion Warren through-truss bascule design, built in 1919. It was built by the American Bridge Company for the New York, New Haven and Hartford Railroad, replacing a span dating from 1889. In June 2008, the bridge underwent replacement which included the span's conversion from a bascule to a vertical-lift mechanism.[1]
As built in 1919, the bridge's abutments and piers were designed to carry a second set of double-track spans, in the event that an expansion to four tracks was ever undertaken at this location by the New Haven Railroad (it never was).
Operation
The bridge opens for marine traffic more than four times per day and serves up to 36 passenger trains and two freight trains per day.[1] The bridge sits Script error: No such module "convert". above mean high water (MHW), and the vertical lift span opens to Script error: No such module "convert". above MHW and provides Script error: No such module "convert". of horizontal clearance.[2]
It is one of eight moveable bridges on the Northeast Corridor through Connecticut surveyed in one multiple-property study in 1986.[3]
See also
References
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External links
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- Railroad bridges in Connecticut
- Amtrak bridges
- Buildings and structures in Groton, Connecticut
- Buildings and structures in New London, Connecticut
- Historic American Engineering Record in Connecticut
- Bridges completed in 1919
- Bridges in New London County, Connecticut
- New York, New Haven and Hartford Railroad bridges
- Vertical lift bridges in the United States
- Bridges over the Thames River (Connecticut)
- Steel bridges in the United States
- Warren truss bridges in the United States
- 1919 establishments in Connecticut