Port William Rd over Grog Run

Clinton County, Ohio · rated Good in the 2025 National Bridge Inventory

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

• Port William Rd over Grog Run in Clinton County, Ohio, 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 1979 and reconstructed in 2015, making it 46 years old at the 2025 inventory.
• It carries about 174 vehicles a day (traffic count year 2016).
• Its listed owner is the county highway agency.
• It is one of 161 of the 207 inventoried bridges in Clinton County rated good (77.8%); 1 (0.5%) 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 → (39.55631, -83.83361)

Component ratings

Bridge details

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

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