Nearly 231,000 U.S. bridges need major repair work or should be replaced, according to an American Road & Transportation Builders Association (ARTBA) analysis of the just released U.S. Department of Transportation's 2019 National Bridge Inventory (NBI) database. That figure represents 37 percent, or more than a third, of all U.S. bridges. If placed end-to-end, the length … [Read more...] about 230,000 U.S. Bridges Need Repair, New Analysis of Federal Data Finds