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MBTA Silver Line Chelsea RouteMassDOT will close the Washington Avenue Bridge in Chelsea on Tuesday, May 26 at 10:00 AM as part of the Silver Line Gateway Project.  Appropriate detour signs will be in place to redirect traffic and pedestrians, and identify relocated bus stops.  The bridge closure is anticipated to last between 12-14 months for demolition and reconstruction.

The following detours will be in place during the closure:

  • Traffic traveling southbound on Washington Avenue: Turn left on Crescent Avenue; then turn right on Broadway to reach Bellingham Square.
  • Traffic traveling northbound on Hawthorne Street: At Bellingham Square, turn right on Broadway; turn right on Crescent Avenue; then turn left on Cary Avenue to Washington Avenue.

Pedestrians and bicyclists: The sidewalk on the west side of the bridge will remain open during the first phase of construction.

MBTA: Please check bus service updates on the MBTA website.

The Washington Avenue Bridge in Chelsea, which spans the existing commuter rail line and planned busway, is functionally obsolete and required to be replaced as part of the Silver Line Gateway Project. The replacement bridge will provide enough clearance for the rail line and two busway lanes to pass beneath it.

The Silver Line will fill a critical gap in access between residents in Chelsea, East Boston and other Blue Line communities and the rapid growth in employment opportunities across Boston Harbor in the Seaport District.

For questions or to report issues related to construction or detours, please contact Daniel Fielding, 857-368-8959 or

For more information on the Silver Line Gateway project, and detour maps/directions, please visit the Silver Line Gateway project website:

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