This report examines trends in bridge conditions in the state and provides regionalized lists of the state’s most-heavily traveled poor bridges and the bridges with the lowest condition rating regardless of travel level. The report also provides information on the cost to repair the state’s poor bridges and the impact of highway construction cost inflation on Pennsylvania’s ability to make further progress in reducing the share of its aging bridges in poor condition.

Bridge condition data in this report is from the Federal Highway Administration’s (FHWA) National Bridge Inventory (NBI) for 2023.  Specific conditions of some bridges may have changed as a result of recent work.

This report examines the condition and use of Pennsylvania’s bridges, funding needs, and the future mobility needs of the state. Sources of information for this study include the Federal Highway Administration (FHWA), the National Bridge Inventory (NBI), the U.S. Census Bureau, the Bureau of Transportation Statistics (BTS), and the American Road and Transportation Builders Association (ARTBA).  

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