The International Information Center for Structural Engineers

A recently released study by the U.S. Department of Transportation (U.S. DOT) National Bridge Inventory database, reveals that nearly 61,000 bridges across the nation are classified as structurally deficient requiring significant repairs. Based on the data analysis carried out by the American Road & Transportation Builders Association (ARTBA) the 61,000 bridges are crossed by trucks, cars and other types of vehicles 215 million times every day, with the most heavily traveled ones being located along the Interstate Highway System.