AIT Bridges has launched a composite “tub girder,” a U-shaped beam the company says is lighter, lower-cost and longer-lasting than typical concrete and steel girders. COURTESY / AIT BRIDGES AIT ...

The University of Maine’s Advanced Structures and Composites Center successfully tested a rapidly deployable bridge system using composite girders and precast concrete deck panels. The bridge system ...

The Missouri Department of Transportation and the Lunda Team two months ago invited media members on a tour of construction progress of the Lance Cpl. Leon Deraps Interstate 70 Missouri River Bridge ...

The problem we are trying to solve is the condition assessment of corroded prestressed concrete (PC) bridge girders in New England. The problem is important because that PC bridge girders are a ...

As part of the Lincoln County Bridge Replacement Program, Oldcastle Precast of Spokane, Wash., fabricated 136.8-ft.-long prestressed concrete super girders for the new Miles Creston Bridge in Lincoln ...

The Grist Mill Bridge, a 75-ft single-span bridge in Hampden, Maine, is the first in the nation to use composite tub girders with no concrete reinforcement in the superstructure, say officials. The ...

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TARRYTOWN - On a foggy Friday afternoon on the Hudson River, crews secured yet another chunk of blue steel to the concrete pillars that will eventually hold up the road on the new Tappan Zee Bridge.