Memorial Bridge, Springfield, MA

Complete reconstruction of the seven-span, 1500-FT Memorial Bridge in Springfield, MA. The historic concrete bridge carries nearly 25,000 vehicles per day over the Connecticut River.

Client:		MassDOT
Designer:		Fay, Spoffard & Thorndike (now Stantec)
Size:		1,500 FT

 

Project Features

• Replacement of the entire deck system.
• 775 tons of steel.
• 12,000 CY of poured concrete.
• Removal of the deck and floor beams left only five concrete-reinforced structural steel arches, 8-feet deep and 5-feet wide.
• Reconstruction of the arches involved chipping 4” from the exterior arches and replacing with a mix of wet and dry Shotcrete.
• Self-supporting formwork suspended from the bridge arches to allow casting of 30-foot span floor beams without any falsework.
• Recasting of the four concrete monuments, 70-feet tall, each supporting original 16-foot bronze ornamental globes from 1920.
• Recreation of the deteriorated cartouches (eagle monuments) using reverse molds and modern fiberglass materials.
• Scope of the work increased 30 times post bid-day.
• Work completed 6 months ahead of schedule.
• Awards: Build America Award