Bridge conditions in Franklin County, Pennsylvania

292 inventoried bridges · 26 rated poor · 2025 National Bridge Inventory

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

Franklin County tracks close to typical: 26 of its 292 inventoried bridges (8.9%) are rated poor, against a national rate of about 7%.

• 26 of the 292 bridges in Franklin County, Pennsylvania, are rated in poor condition (8.9%) in the 2025 National Bridge Inventory, as of August 20, 2026.
• 78 bridges (26.7%) are rated good and 188 (64.4%) fair.
• The median Franklin County bridge was built in 1963.
• The busiest poor-rated bridge is US 30; Lincoln Hwy over Rocky Mt Creek (built 1948), carrying about 15,365 vehicles a day.

Good 26.7% · Fair 64.4% · Poor 8.9% of 292 bridges

Bridges rated poor

Every bridge in the county with a poor rating, busiest first. Poor means a major component is rated 4 or lower on FHWA's 0-9 scale; it is a repair flag, not a closure notice.

Busiest bridges in the county

Source: FHWA National Bridge Inventory, 2025. Counts cover inventoried highway bridges over 20 feet; ratings are reported by the state DOT.

All of Pennsylvania: Pennsylvania bridge conditions by county · every download on the data page.

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