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Traffic and construction updates - Newton-Weston bridge replacement/rehabilitation at I-90/I-95

Overview of construction operations and impacts for the bridge replacement and rehabilitation project.

Advisories

Advisories will be posted as they become available.

Construction look-ahead September 27 – October 10, 2026

What is happening?

The contractor is continuing with roadway and bridge construction activities and bridge demolition operations.

Travel Impacts

Upcoming ramp closures

The following ramp closures are expected:

  • Ramp A (I-95 NB to I-90 EB/WB) and Ramp B (I-90 EB/WB to I-95 NB) from Monday, September 28, 2026, through Friday, October 9, 2026. Lane reductions on both ramps began on Monday, July 20 and will continue for the next year. 
  • I-90 EB/WB alternating high-speed/low-speed lane closures from Monday, September 28, 2026 through Friday, October 9, 2026.
  • I-95 NB/SB alternating high-speed/low-speed lane closures from Monday, September 28, 2026 through Friday, October 9, 2026.
  • Ramp D (I-95 SB to I-90 EB/WB) from Wednesday September 30 through Friday October 9.

Over the next two weeks, drivers should anticipate lane closures on the highway, bridges, and on/ off ramps; rolling roadblocks; and intermittent road closures within the work zones listed below.

Map displaying bridges and ramps near I-90 and I-95 between Newton and Weston, Massachusetts, under construction and in scope.

Scheduled Work

I-90 over I-95 and the Charles River

Work within the project area around the bridge carrying I-90 over I-95 and the Charles River will entail:

  • Approach roadway reconstruction
  • Demolition of existing westbound structure (day and night shifts)
    Work has resumed in the overnight hours from 9:00 p.m. to 4:00 a.m., with additional noise mitigation implemented.
  • Noise wall foundation installation, along I-90 eastbound and I-90 westbound
  • Support excavation installation along I-90 westbound
  • Bridge substructure construction

Ramp G Bridges

Work within the project area around the ramp bridges carrying I-95 north and south to I-90 eastbound will entail:

  • Landscape plantings and seeding
  • Milling and paving approach ramps
  • Ramp construction including: edging, guardrail, pavement milling and paving

Ramp A/B Over I-95 and the Charles River

Work within the project area around the bridge carrying I-90 ramp traffic over I-95 and the Charles River will entail:

  • Demolition of existing bridge deck
  • Forming the bridge deck
  • Existing bridge deck repairs
  • Substructure repairs

Work Hours

  • Daytime hours: Monday through Friday from 6:00 a.m. to 8:30 p.m. (Saturday 6:00 a.m. to 8:30 p.m., as required)
  • Nighttime hours: Monday through Saturday from 8:30 p.m. to 4:00 a.m., as required

Travel Tips

Drivers should pay attention to all signage and move carefully through the work zone. Police details, lane markings, temporary barriers, traffic cones, signage, and other tools will be used to control traffic and maintain safe work zones.

Contact

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