Transportation: Bridges

Whether for urban thoroughfare or interstate highway, single or multi-lane traffic, over water or roadway, HSMM designs span an array of bridge types. With nearly 1000 bridges in our portfolio, the engineers of HSMM Transportation are experienced in all elements of highway bridge engineering.  In addition to designing new structures, the firm is well-seasoned in inspecting, testing, and certifying existing bridges; rehabilitating older spans; designing special transportation structures; and providing a variety of unique services such as fatigue investigations, emergency response services, and forensic investigations. Our bridge designers are supported by in-house specialists in roadway design, hydrology and hydraulics, and environmental science.