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Ir-75 over Plum Creek

Shelby County, Ohio · rated Fair in the 2025 National Bridge Inventory

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

Ir-75 over Plum Creek in Shelby County, Ohio, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1962, making it 63 years old at the 2025 inventory.
It carries about 18,042 vehicles a day (traffic count year 2015).
Its listed owner is the state highway agency.
It is one of 67 of the 274 inventoried bridges in Shelby County rated fair (24.5%); 5 (1.8%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
Ir-75 over Great Miami River	2005	46,838	Good
Ir-75 over Tr 39 Kirkwood Road	1960	23,419	Fair
Ir-75 over Tr 39 Kirkwood Road	1960	23,419	Good
Ir-75 over Tr 135 Vandemark Road	1960	23,419	Good
Ir-75 over Tr 135 Vandemark Road	1960	23,419	Good
SR-47 over Ir 75	1961	22,694	Good