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The Chelsea Street Bridge is a
The Chelsea Street Bridge is used by the MBTA Silver Line SL3 route, which began service in April 2018. Frequent openings of the bridge — as many as ten per day — have caused numerous delays. Ships and barges carry petroleum products to tank farms upstream from the bridge and each delivery can cause at least two bridge openings as tug boats come and go. Federal regulations give priority to marine traffic and require the bridge to be opened on demand.
vertical-lift bridge
A vertical-lift bridge or just lift bridge is a type of movable bridge in which a span rises vertically while remaining parallel with the deck.
The vertical lift offers several benefits over other movable bridges such as the bascule and swi ...
that carries Chelsea Street between East Boston, Massachusetts
East Boston, nicknamed Eastie, is a Neighborhoods in Boston, neighborhood of Boston, Massachusetts, United States, which was annexed by the city of Boston in 1836. Neighboring communities include Winthrop, Massachusetts, Winthrop, Revere, Mas ...
, and Chelsea, Massachusetts
Chelsea is a city in Suffolk County, Massachusetts
Suffolk County ( ) is located in the Commonwealth of Massachusetts, in the United States. As of the 2020 census, the population was 797,936, making it the fourth-most populous county in ...
, over the Chelsea Creek
Chelsea Creek, shown on federal maps as the Chelsea River, is a waterway that runs along the shore of Chelsea, Massachusetts, and separates that community from the cities of Boston and Revere, as well as feeding part of the current Belle Isl ...
. It opened to traffic on May 12, 2012, after a $125.3M construction project replaced the previous bridge, a single-leaf bascule-type drawbridge. The span is with a vertical clearance, when opened, of . There are two lanes and a sidewalk in each direction.
Previous bridges
The current bridge is the latest in a succession of bridges at the same site going back to 1834. The most recent predecessor was a single-leafbascule bridge
A bascule bridge (also referred to as a drawbridge or a lifting bridge) is a moveable bridge with a counterweight that continuously balances a span, or leaf, throughout its upward swing to provide clearance for boat traffic. It may be single- o ...
on which construction began in 1936 and which was opened on May 10, 1937.
Silver Line issues
The Chelsea Street Bridge is used by the MBTA Silver Line SL3 route, which began service in April 2018. Frequent openings of the bridge — as many as ten per day — have caused numerous delays. Ships and barges carry petroleum products to tank farms upstream from the bridge and each delivery can cause at least two bridge openings as tug boats come and go. Federal regulations give priority to marine traffic and require the bridge to be opened on demand.
See also
*List of bridges documented by the Historic American Engineering Record in Massachusetts
__NOTOC__
This is a list of bridges documented by the Historic American Engineering Record in the U.S. state of Massachusetts.
Bridges
References
External links
{{HAER list, structure=bridge
*List
*List
Massachusetts
Bridges, HAER
Br ...
References
External links
* * Bridges in Boston Chelsea, Massachusetts Bridges in Suffolk County, Massachusetts Historic American Engineering Record in Massachusetts Vertical lift bridges in Massachusetts {{Boston-struct-stub