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CR192 E Main St over Great Miami River

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

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

CR192 E Main St over Great Miami River in Miami 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 2006, making it 19 years old at the 2025 inventory.
It carries about 7,985 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 218 of the 312 inventoried bridges in Miami County rated good (69.9%); 18 (5.8%) 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 girder and floorbeam
Length	about 516 ft
Location	E Main St Piqua Garbry Rd
NBI structure number	5535964
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 Ext of Boone Creek	2001	66,840	Good
Ir-75 over Clayton Ext. of Peters C	1957	66,840	Good
Ir-75 over W. Branch of Peters Cree	1957	66,840	Good
Ir-75 over Branch Great Miami River	1957	54,110	Fair
Ir-75 over County Ditch	1957	54,110	Fair
Ir-75 over Howell Extension Ditch	1957	54,110	Good