U.S. bridges in poor condition according the NTAD data

The U.S. Department of Transportation’s Bureau of Transportation Statistics today released its winter 2022 update to the National Transportation Atlas Database (NTAD), a set of nationwide geographic databases of transportation facilities, networks, and associated infrastructure.

The hexagon bin map below shows the concentration of bridges in poor condition across the U.S. based on the new 2021 National Bridge Inventory (NBI) data from the Federal Highway Administration. In the NBI 2021 data, 7% of bridges were rated in poor condition. These and similar data can be of use to State and local governments and others implementing the Investments in Infrastructure and Jobs Act of 2021 (IIJA).