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About the Somerville I-93 Viaduct preservation

This project rehabilitated the I-93 Viaduct in Somerville between Exit 21 and Temple Street.
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Project details

Massachusetts Department of Transportation (MassDOT) rehabilitated the I-93 Viaduct in Somerville between Exit 21 and Temple Street. Work took place from the Summer of 2022 to Winter of 2025/2026 to make necessary repairs and improvements to extend the life span of the Viaduct. Preservation work consisted of, but was not limited to:

  • Substructure concrete repairs
  • Structural steel repairs
  • Structural steel cleaning and painting
  • Bridge joint replacements
  • Concrete deck repairs
  • Associated traffic management

Detour details

This project is completed and the contractor has fully demobilized from the area. There are no detours in place related to this project. 

Stay informed

MassDOT will retire the project website and close the project inbox in early 2026. Future inquiries regarding the project should be sent to DOT.FeedbackDistrict6@dot.state.ma.us. 

Project email address: MassDOTI93SomervilleViaduct@dot.state.ma.us

Contact

Online

Contact the project team Email Somerville I-93 Viaduct preservation project at MassDOTi93SomervilleViaduct@dot.state.ma.us
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Address

10 Park Plaza, Boston, MA 02116
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