Updated Advisory on Old Bass River Bridge from MassDOT

One lane still closed on Route 6, overpass is closed
MassDot photo of damage to the Route 134 overpass on Route 6 in Dennis

MassDOT Advisory: Dennis

  • Ramp from Rt. 134 southbound to Rt. 6 westbound closed Sunday
  • Rt. 6 westbound – one lane closed on Sunday
  • Old Bass River Road Bridge to remain closed

DENNIS – The Massachusetts Department of Transportation (MassDOT) is announcing the Old Bass River Road Bridge in Dennis above Route 6 will remain closed for at least several days after being damaged in a traffic incident on Friday evening, December 6. In addition, crews will work Sunday to perform a detailed assessment of the bridge structure which will mean that as of 6:30 a.m., December 8, the right travel lane of Route 6 westbound near the bridge will be closed and the ramp from Route 134 southbound to Route 6 westbound will be closed.

An initial structural analysis found that two of the bridge beams were severed. Additional investigation and analysis is required to determine short-term measures and repair options which will be necessary to partially or fully open the Old Bass River Road Bridge to traffic.

It is anticipated that the bridge will remain fully closed until at least mid-week as the analysis is performed.

Full repairs to the bridge will be challenging due to the bridge structure being comprised of steel reinforced concrete beams, restrictions due to winter weather conditions and the close proximity to the Route 134, exit 9 interchange.

On December 6, at approximately 6 p.m., a truck carrying an item and traveling on Route 6 westbound struck the bridge above Route 6 travel lanes.

(The photograph was taken December 6 looking westbound on Route 6 at the underside of the Old Bass River Road Bridge and shows two bridge beams which have been damaged.)

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