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August 2017

August 2017

MassDOT is reminding members of the public that throughout the spring and into the summer months, crews will be conducting work-related activities as part of the Commonwealth Avenue Bridge Replacement project in Boston.

These activities are in advance of the accelerated construction work that is expected to take place over approximately two weeks this summer to replace the westbound side of the bridge.

In order to allow crews and contractors to safely and effectively conduct operations, temporary traffic impacts including overnight and daytime off-peak lane closures on I-90 (the Massachusetts Turnpike) and Commonwealth Avenue will be implemented as needed throughout the spring. These types of traffic impacts were used throughout spring, summer, and fall of 2017, when the eastbound deck and transit infrastructure were replaced. Logistical setups will be utilized this spring in ways that consider the needs of the traveling public and minimize the impacts on the local community.

The full list of traffic impacts occurring in the area of the Commonwealth Avenue Bridge throughout the spring is as follows:

  • Overnight lane closures on I-90 east and westbound from 9 p.m., through 5 a.m. These impacts are expected to begin next week and occur as operations require.
  • Overnight lane closures on Commonwealth Avenue east and westbound from 7 p.m., through 5 a.m. These impacts are beginning this week and will occur as operations require.
  • Off-peak daytime lane closures on Commonwealth Avenue east and westbound from 9 a.m., through 3 p.m. These impacts are beginning this week and will occur as operations require.

Work being carried out by crews in advance of the intensive construction operations later this summer includes activities such as reconstruction of back walls, excavation, shielding installation, expansion joint work, utility relocation, and other preparation items.

The Commonwealth Avenue Bridge Replacement Project is replacing the existing superstructure (the concrete deck and steel beams) that carries Commonwealth Avenue and the MBTA Green Line B branch over I-90 (the Massachusetts Turnpike) and the MBTA Commuter Rail line and Amtrak train tracks.

MassDOT has been planning this major project and coordinating with stakeholders for several years, and work is being carried out in ways that help reduce the overall construction duration and minimize the impact on travelers.  This project, which would take an estimated four to five years using conventional techniques with significant lane-takings and service disruptions, is scheduled for two short duration construction phases.

The eastbound side of the Commonwealth Avenue Bridge and the MBTA Green Line B track area were replaced in summer of 2017, and in summer 2018, the westbound side of the bridge will be replaced.  In addition to a new bridge, the project will result in functional and safety improvements for vehicles, the B Line, for cyclists and for pedestrians.

For more information, please visit the project website.

 

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