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

Current construction status

As of May 2025, Stage 1A construction continues.

Construction look-ahead June 23 – July 7, 2025

What is happening?

The contractor continues relocating utilities, constructing roadways and continues with bridge construction.

Travel Impacts

I-90 Eastbound & Westbound will be reduced to one lane in each direction between Exits 123 and 125 in Newton and Weston, Friday, June 20 from 9:00 p.m. to Monday, June 23 at 5:00 a.m. More information is provided below.

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

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:

• Installing permanent retaining walls
• Forming and pouring retaining wall barrier
• Installing permanent piles for bridge foundations (pile driving - daytime)
• Installing drainage pipes
• Installing bridge membrane waterproofing
• Paving bridge approaches and ramps
• Installation of temporary lighting

I-90 Over the MBTA

Work within the project area around the bridge carrying I-90 over the MBTA will entail:

• Reconfiguring I-90 roadway traffic management alignment including temporary signs, temporary striping and temporary barrier. (Nighttime shifts).
• Forming and pouring of permanent bridge barrier. (Nightime)
• Superstructure Replacement Weekend #2: Friday June 20 through Monday June 23

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:

• Substructure concrete repairs

Ramp G Bridges

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

• Installing excavation supports at the abutments (Pile Driving)
• Installation of permanent abutment piles (pile driving - daytime and nighttime shifts)
• Installing Drainage Structures
• Construction of widened ramp embankments
• Excavating new pier locations.

Work Hours

• Daytime Hours: Monday through Friday from 7 a.m. to 8:30 p.m.
• Nighttime hours: Sunday through Friday 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.

Plan ahead

I-90 Eastbound & Westbound will be reduced to one lane in each direction between Exits 123 and 125 in Newton and Weston, Friday, June 20 from 9:00 p.m. to Monday, June 23 at 5:00 a.m.

• Lane reductions and reduced speeds; buses will replace trains on the Framingham/Worcester commuter rail line.
• While accelerated bridge construction methods will be used to replace the bridge, this project will significantly impact travelers during this weekend.
• Plan ahead and avoid the area if possible.