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Commonwealth Avenue Bridge Replacement

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Comm Ave Replacement

What's New


At 5:00 AM on August 16, Commonwealth Avenue, the BU Bridge, the MBTA Green B Line, and CT2 and 47 bus routes resumed normal operations. Construction crews successfully demolished the Commonwealth Avenue eastbound and MBTA Green B Line portions of the old bridge deck and installed the new bridge deck for Stage 2 (2017 Construction Shutdown).

Through September 2017, the following impacts are necessary for the contractor to carry out finishing work on sidewalks, curb setting, final paving, fencing, and utilities:

  • Short-term and periodic lane reductions on I-90 during overnight hours in the vicinity of the bridge
  • Off-peak lane reductions on Commonwealth Avenue in the vicinity of the bridge
  • BU Bridge will remain open to all vehicular, bicycle and pedestrian traffic during this time
  • A minor pedestrian detour near the bridge due to work on sidewalks (eastbound pedestrians will use the westbound sidewalk between Mountfort/Essex Street and Carlton Street). Please see the Interim Pedestrian Detour Map
  • Eastbound bicyclists will use a shared lane approaching Mountfort/Essex Street and a temporary bike lane approaching Carlton Street (no bike detours). Please see the Interim Bicycle Route Map

Crews are carrying out utility relocations and signal work for Stage 3 Construction.

Public Meetings

MassDOT will host public meetings and briefings ahead of the 2018 Construction Shutdown. Meeting dates and locations will be announced here and to the project subscribers list.

Contact Us

For all queries and comments related to the Commonwealth Avenue Bridge Replacement Project, please contact James Kersten, MassDOT Legislative Liaison, at 857-368-9041 or CommAveBridge@dot.state.ma.us

Email Updates

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