Construction Updates

Nashua - Merrimack - Bedford 13761

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Project 13761A

Turnpike Widening from North of Exit 8, in Nashua, to South of Exit 10 in Merrimack”

Recent Activities – As of early April 2025

• Northbound
– No recent activity.

• Southbound
– No recent activity.

• Exit 10
– No recent activity.

• Pennichuck Brook Bridge
– Installation of the steel girders for Phase 1 completed. Began constructing abutment backwalls.

Upcoming Work – April 2025 to May 2025

• Northbound
– Complete tree clearing and stabilize area.
– Resume roadway widening and constructing detention basins

• Southbound
– Complete tree clearing and stabilize area.

• Exit 10
– No activity planned this month.

• Pennichuck Brook Bridge
– Complete backwall construction.
– Begin constructing concrete deck.

General Traffic Implications

• Spring 2025
– Rolling roadblocks, shoulder closures and night work, as needed, for temporary roadwork, as traffic allows.

Recent Photos of Construction

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Nighttime Girder Construction - April 2025
Phase 1 Steel Girder Construction - April 2025
Begin Concrete Deck Construction - April 2025
Abutment B Construction - March 2025
Tree Clearing - March 2025
Abutment A Construction - February 2025
Abutment A Construction - February 2025
Pile Driving - January 2025
Pile Installation - January 2025
Screening Humus Topsoil - December 2024
Temporary Northbound Off Ramp - November 2024
Mill and Paving in the Median - November 2024
Drainage Installation Along Northbound Widening - November 2024
Causeway Construction – October 2024
Grading Median in Preparation for Phase 2 – October 2024
Traffic in Phase 2 Configuration – October 2024
Milling Pavement in the Median Near Exit 10 – September 2024
Paving the Median Near Exit 10 – September 2024
Sandbag Preload at Causeway Cofferdam – September 2024
Cofferdam Construction at the Northern Abutment – August 2024
Cofferdam Construction at the Southern Abutment – August 2024
Constructing Stone Fill Along the Causeway – August 2024
Preparing Shoulder for Roadway Widening - July 2024
Placing Stone for Roadway Widening - July 2024