Scope of Work
Cianbro is rehabilitating the structural steel, electrical, machinery, control house systems and realignment of the Mystic River Bascule Bridge, originally built in 1922.

Project Details

• Blasting, cleaning, repairing and painting the structural steel
• Jacking the counterweights to realign the counterweight truss
• Replacing the counterweight trunnion bearings
• Replacing the electrical systems including the main drive motors braking systems, controls, lighting, traffic signals, gates, and installing a stand-by generator
• Replacing the drive machinery and realigning the main pinion and bull wheel bearings
• Replacing the control house and the adjoining shed and motor houses
• Removing and replacing 320 ft of submarine cable
• Upgrading the fender system and installing scour monitor devices
• Replacing the bridge railing on the east span and extending to the approaches on the north and south sides of the road
• Repairing the stone wall and east abutment