A final report is pending on how technological advances can aid in the diagnosis, and ultimate rehabilitation, of the nation's vast bridge network, based on an exhaustive study led by Rutgers University in New Jersey, involving teams from three continents. Courtesy Rutgers University Research that will look at U.S. system of 600,000 bridges begins with a single span in Wayne, N.J. Courtesy Rutgers University Non-destructive evaluation methods provide information more quickly, at a fraction of the cost of conventional testing metods. Related Links: Rutgers/PB-Led Research Team Will Study Hundreds Of Bridges The U.S. system includes some 600,000 bridges. This number
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.