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Frazier Guy Road over Mosquito Creek

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

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

Frazier Guy Road over Mosquito Creek in Shelby 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 7 (good condition) on the 0-9 scale.
It was built in 1995, making it 30 years old at the 2025 inventory.
It carries about 351 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 202 of the 274 inventoried bridges in Shelby County rated good (73.7%); 5 (1.8%) 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.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 111 ft
Location	0.03 Mi. S. St. Rt. 29
NBI structure number	7554176
Condition class	Good

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