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img_2755MassDOT has announced that the current phase of major work on the Commonwealth Avenue Bridge finished during the overnight hours.

As of 5:00 AM on Wednesday, August 16:

  • Commonwealth Avenue between Packard’s Corner and Kenmore Square will reopen to through vehicular traffic.
  • Boston University (BU) Bridge will reopen to vehicular traffic.
  • MBTA Green B Line will resume normal operations with all stops.
  • MBTA CT2 and 47 Bus Routes will resume normal operations.

MassDOT completed Stage 2 (2017 Construction Shutdown) of the Commonwealth Avenue Bridge Replacement Project. Construction crews successfully demolished the Commonwealth Avenue eastbound and MBTA Green B Line portions of the old bridge deck and installed the new bridge. The new deck included 60 steel girders, 263 precast concrete panels, and 1,300 linear feet (lf) of new inbound and outbound track and 20 new catenary poles for the Green Line.

What to Expect after August 16

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). See 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). See Bicycle Route Map.

Crews will carry out utility relocations and signal work during Stage 3 (between the two intensive construction windows).

The Commonwealth Avenue westbound portion of the bridge will be replaced next summer (Stage 4: 2018 Construction Shutdown). The 2018 shutdown will last 15 ½ days in July/August with similar impacts as the 2017 Construction Shutdown.

The finished condition includes significant safety and functional improvements for all users of the bridge:

  • Dedicated bike lanes on BU Bridge
  • Traffic signal at University Road intersection
  • New Green B Line tracks
  • Floating bus island for Route 57 bus stop at University Road
  • Sidewalk and pedestrian walkway enhancements (improved accessibility)
  • Lane adjustments and traffic signal improvements

For more details on the project, visit the project website: www.mass.gov/massdot/commavebridge. 

For any questions or comments, please contact Jim Kersten, MassDOT Legislative Liaison, at 857-368-9041 or by email at CommAveBridge@dot.state.ma.us.

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