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 ...

Composite beams have become an integral element in modern structural engineering, combining dissimilar materials to exploit their complementary mechanical properties. This field of study encompasses ...

A horizontally curved, precast- concrete, trapezoidal type of box-girder design that shaved some $9 million off an interchange project in Orlando, Fla., is attracting growing interest from the bridge ...

New research shows steel I- and T-sections inside concrete beams can offset shear loss from web openings—enhancing safety in ...

Replace deteriorated, short-span wooden bridge with cost-effective, sustainable, low-maintenance solution capable of supporting heavy wheeled and tracked military vehicles. A girder-and-cross-beam ...