Posted on: June 29, 2017

Cunningham Bridge Replacement Project - Traffic Alerts and Project Updates


Please note, this page was created in June of 2017 to post traffic alerts and project updates for the Cunningham Bridge project.  Each alert will be dated, with the most recent updates being listed on the top. 

Cunningham Bridge (Atlantic Avenue) Project Updates

August 31, 2017- The bridge demolition is on schedule for Tuesday September 5, 2017.  Work will begin at 7:00am-5:30pm daily. 

August 18, 2017- Water pipe bypass complete.  Pressure testing and  disinfection will continue into next week. Sandbags will be put in place for the coffer dam work next week. Bridge shut down is on-schedule for September 5, 2018 for demolition. Please note there will be no vehicular or pedestrian traffic through this area during bridge closure.

August 11, 2017 - The temporary water main bypass work will continue into next week.  The Town has also hired a liaison to enhance communications and oversight on this important project. 

August 4, 2017 - The gas main being tied in is now complete.  The water main change over will occur in the next week.

July 28, 2017 - Gas connections and waterline work is ongoing on the site.  Shielding under the bridge is 100% complete.  Shielding on the east and west side of the bridge continues.

July 17, 2017 -To see the install of the utility bridge, please click here.


Media Alerts Regarding Detour Information:

Mass DOT Media Release with Alternate Route Information 

The Massachusetts Department of Transportation Highway Division District 5 has announced that Atlantic Avenue over Little Harbor Inlet in Cohasset will be temporarily closed to vehicular traffic for one night on Tuesday, July 11.   This portion of roadway will be closed from 8:00 p.m. on July 11 to 5:00 a.m. on July 12.  The closure is necessary to allow for installation of the temporary utility bridge.

The detour routes are as follows:  

From the west side of Atlantic Avenue over Little Harbor Inlet:

·       Follow Atlantic Avenue to Nichols Road
·        Left on Nichols Road and follow to Jerusalem Road 

·        Left on Jerusalem Road and follow to North Main Street
·        Left on North Main Street and follow to Beach Street
·        Left on Beach Street

From the east side of Atlantic Avenue over Little Harbor Inlet:  

·        Follow Beach Street to North Main Street  
·        Right on to North Main Street and follow to Jerusalem Road  

·        Right on to Jerusalem Road and follow to Nichols Road  
·        Right on to Nichols Road and follow to Atlantic Avenue  
·        Right on to Atlantic Avenue

MassDOT advises motorists to seek alternate routes during these times.  

All scheduled work is weather dependent and/or may be impacted should any sort of emergency situation occur.




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