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Mason Road over Turtle Creek

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

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

Mason Road over Turtle 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 deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 433 vehicles a day (traffic count year 2020).
Its listed owner is the county 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


Structure	Steel stringer or multi-beam girder
Length	about 57 ft
Location	.39 M.w. Hardin Wapak
NBI structure number	7541392
Condition class	Fair

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