The busiest bridges rated poor

100 poor-rated bridges, ranked by the traffic they carry

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

• The 100 busiest poor-rated bridges in the U.S. together carry about 18,020,598 vehicles a day, per the 2025 National Bridge Inventory (as of August 20, 2026).
• The single busiest, Mon Co Rt 19/25 over Scotts Run in Monongalia County, West Virginia, carries about 600,500 vehicles a day.
• High traffic on a poor-rated bridge is why these draw repair funding first; a poor rating alone does not make a bridge unsafe.

The 100 busiest bridges rated poor

Source: FHWA National Bridge Inventory, 2025. Ranked by reported average daily traffic.

Full data: every poor-rated bridge as CSV · the worst bridge in every state · browse by state and county.

Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.