Bridges are one of the key components of our nation’s highway system. Their integrity can have a significant impact on the safety and efficiency of travel. The National Bridge Inventory (NBI) collects information on the nation's bridges located on public roads, including Interstate Highways, U.S. highways, State and county roads, as well as publicly-accessible bridges on Federal lands. Each State is required to conduct periodic inspections of all bridges and report the data to the FHWA.
Data Source: US Department of Transportation, Federal Highway Administration, Office of Bridge Technology, National Bridge Inventory
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