Bridge Conditions in All 3,000+ U.S. Counties

% of Bridges in Poor Condition in all 3,000+ counties in the United States, in 2019. Click any column to sort.

For definition of "poor condition", see note at bottom of chart.

Poor condition is defined in accordance with the Pavement and Bridge Condition Performance Measures final rule, published in January of 2017. Bridge Condition is determined by the lowest rating of National Bridge Inventory (NBI) condition ratings for Item 58 (Deck), Item 59 (Superstructure), Item 60 (Substructure), or Item 62 (Culvert). If the lowest rating is greater than or equal to 7, the bridge is classified as Good; if it is less than or equal to 4, the classification is Poor. Bridges rated 5 or 6 are classified as Fair.