What is the largest concrete bridge in the United States?
Answer Tunkhannock Creek Viaduct
Also known as the Nicholson Bridge, the Tunkhannock Creek Viaduct in Nicholson, Pennsylvania, is the United States' largest concrete bridge. It spans 2,375 feet wide and rises 240 feet above the creek level or a full 300 feet from the bedrock at the bottom of the creek. Built in 1915, it contains a total of 167,000 cubic yards of concrete.
Asked by Jennifer Sinclair · Last updated 5 years ago · 7.1K views · SOURCE
