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Chelsea Street Bridge Lift Span, September 6, 2011 Construction of the new vertical lift Chelsea Street Bridge moves into later stages in fall 2011 with the upcoming installation of the new lift structures. 

To allow for the final work on this historic $125 million MassDOT project, the Chelsea Street Bridge over Chelsea Creek at the Boston/Chelsea line is closed until December 1 with detours in place.

In the views at left, the new lift spans are in position to be launched.

Chelsea Street Bridge Lift Span 2, September 6, 2011 The Chelsea Street Bridge project involves the replacement of a  truss-type structure that spans 450 feet and will provide 175 feet of vertical clearance when raised. 

The launching of the components of the new lift span is scheduled to occur over several days in late September. 

The navigable channel below will be closed to marine traffic during this operation.

The new bridge will provide for four lanes of traffic two pedestrian sidewalks. 

The project is scheduled to be completed in spring 2012.

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