Traffic moved across the Bridge of Lions on March 17 for the first time in four years following the lengthy restoration of the historic landmark in St. Augustine, Fla. A key part of the work required the rehab team to remove the bridge’s signature arched girders and, after sandblasting, return them as non-load-bearing elements. Photo: Reynolds, Smith & Hills The bridge that is considered a signature of St. Augustine, Fla., was rehabbed in phases that included building a temporary bridge. In 2004, the Florida Dept. of Transportation awarded a rehabilitation contract to Tidewater Skanska Inc., Virginia Beach, Va., for a
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.