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Highway Divison Massachusetts Department of transporatation
Interstate 91 Viaduct Rehabilitation Project

About This Project

The I-91 Viaduct Rehabilitation Project is replacing the existing deck of the I-91 viaduct, an elevated structure in Springfield, Massachusetts. The project is progressing on an accelerated schedule to minimize traffic impacts and reduce construction duration. Once completed, the I-91 Viaduct Rehabilitation Project will increase safety and accessibility on this busy interstate, reduce annual maintenance costs, and ensure long-term service. MassDOT signed a $148 million contract with the Joint Venture of White-Schiavone (JV) in May 2015. The project will receive 80% of its funding from the Federal Highway Administration and 20% from the Commonwealth.

On November 27, 2016, MassDOT began Stage 2 of construction for the I-91 Viaduct Rehabilitation Project. In November and December 2017, MassDOT reopened several ramps and lanes on I-91 ahead of schedule. Full use of I-91 north and southbound is scheduled to be restored in December 2017.

MassDOT and the contractor are continually monitoring and collecting traffic data along various roadways within the project's impact area. The team is making adjustments to traffic signals, intersections, lane markings, and other infrastructure on I-91 and local roads, as needed.

MassDOT provides regular updates on traffic changes. For more information, review the project overview, browse project documents, and learn more about the construction plans.

Traffic Management

In November and December 2017, multiple ramps and lanes on I-91 South and North reopened ahead of schedule. The lane and ramps were closed in December 2015 and were originally planned to reopen in Spring 2018. The State Street on-ramp to I-91 North is scheduled to reopen on Thursday, December 21. Traffic heading to I-91 North should use the Union Street on-ramp until then. Drivers should allow extra time for travel in and around the Springfield area. For additional details, review the Traffic Management page.

What's New

MassDOT is pleased to announce that Full Beneficial Use of the I-91 Viaduct and associated ramps was reached on December 22. This milestone means that the majority of work has been completed. MassDOT will no longer need to regularly close any lanes on I-91 or nearby ramps, though occasional closures may be necessary for repairs. Read more in the Press Release.

For traffic management details, including detour routes, visit the Traffic page.

To learn about demolition and construction activities, visit the Construction page.

Contact Us

For project and construction related questions, please email I91viaduct@state.ma.us or call 617-454-1839.

Please complete this form to report a noise issue related to construction.

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