Iowa, South Dakota lead for highest share of poor bridges

More than 8% of the country's bridges had a poor condition rating according to National Bridge Inventory data.

A map of U.S. states and D.C. shaded by the share of poor bridges by state with Iowa having the highest at 22.8%.
Data as of June 2024. Data does not include culvert bridges.
Chart: Annie Jennemann/Hearst TVSource: National Bridge Inventory