Hamburg Road over Shenango River Br

Mercer County, Pennsylvania · rated Good in the 2025 National Bridge Inventory

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

• Hamburg Road over Shenango River Br in Mercer County, Pennsylvania, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
• Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
• It was built in 2003, making it 22 years old at the 2025 inventory.
• It carries about 3,134 vehicles a day (traffic count year 2019).
• Its listed owner is the county highway agency.
• It is one of 179 of the 437 inventoried bridges in Mercer County rated good (41.0%); 65 (14.9%) are rated poor.
• A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

View this bridge on a map → (41.37301, -80.39396)

Component ratings

Bridge details

Source: FHWA National Bridge Inventory, 2025 data as reported by the Pennsylvania department of transportation.

Busiest bridges in Mercer County

All bridges nearby: Mercer County, PA bridge conditions · every bridge in Mercer County · Pennsylvania bridges.

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