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braintree-route-3-bridges-map-2-september-2017MassDOT held a news conference today to underscore the traffic impacts of the Route 3 Bridge Replacement Project which will mean detours and lane reductions on Route 3 in Braintree this weekend, September 22-25 and during the weekend of October 13-16.

For this $6.3 million project, crews during these weekends will use accelerated methods to replace two bridges that carry Route 3 over an I-93 ramp just south of the Braintree split, and will put in place setups that will reduce traffic from three to two lanes in each direction and detour traffic away from these bridges.

“We have designed and planned this project so that the major bridge replacement operations will occur during 55-hour periods on these two weekends, which will help minimize the impacts on high volume travel times,” said Acting Highway Administrator Jonathan Gulliver. “We advise drivers and members of the public to avoid traveling through this area if at all possible, use technology tools to find the most appropriate route during our construction operations, and make smart and informed decisions before heading out onto the roadways.”

The full hours for the traffic impacts are as follows:

  • Replacing the bridge on Route 3 northbound: 10 p.m., Friday, September 22, through 5 a.m., Monday, September 25.
  • Replacing the bridge on Route 3 southbound: 10 p.m., Friday October 13, through 5 a.m., Monday, October 16.

The lane closures and detours are as follows:

  • During the September 22-25 weekend: A lane reduction on Route 3 northbound in the area of Exit 19.
  • During the October 13-16 weekend:  A lane reduction on Route 3 north and southbound in the area of Exit 19.
  • During both weekends: A detour for traffic that is seeking use Exit 19 off of I-93 and access the Burgin Parkway. All lanes on I-93 north and southbound will remain open during these times and the detour route will utilize Exit 18 and local roadways.
  • During both weekends: A detour for local traffic on Washington Street that is seeking to use the on-ramp to access I-93. All lanes on I-93 north and southbound will remain open during these times and the detour route will utilize local roadways.

In order to accommodate construction operations, crews will implement “crossovers” so that all traffic is diverted away from these bridges and shifted onto the adjacent side of the roadway and a nearby ramp. Traffic using nearby ramps will also be detoured, and law enforcement details and variable messaging boards will be in place in order to guide drivers during these times.

The full scope of work for this significant construction project has been explained to the public, elected officials and the media on many occasions earlier this year.  The project includes replacing the existing structurally deteriorated bridge superstructures and general rehabilitation operations. Preparation and work-related activities have been ongoing since this spring. During these two weekends, crews will put in place simple span welded steel plate girders, composite concrete decks as well as modified beam sets in order to complete these accelerated operations in just two 55-hour periods over two weekends. All work associated with the project is expected to be completed by fall 2018.

Drivers should be mindful of potential traffic impacts and should devote their full attention to driving through these active construction zones as MassDOT works to replace the bridges on this regionally significant roadway. For more information on traffic conditions travelers are also encouraged to:

  • Dial 511 before heading out onto the roadways and select a route to hear real-time conditions.
  • Visit, a website which provides real-time traffic and incident advisory information, access to traffic cameras, and allows users to subscribe to text and email alerts for traffic conditions.
  • Follow MassDOT on Twitter @MassDOT to receive regular updates on road and traffic conditions
  • Download MassDOT’s GoTime mobile app and view real-time traffic conditions before setting out on the road.

All scheduled work is weather dependent and subject to change without notice.

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