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Big Plain Circlevi over Deer Creek

Madison County, Ohio · rated Poor in the 2025 National Bridge Inventory

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

Big Plain Circlevi over Deer Creek in Madison County, Ohio, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1964, making it 61 years old at the 2025 inventory.
It carries about 444 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 17 of the 200 inventoried bridges in Madison County rated poor (8.5%); 17 (8.5%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous prestressed concrete multiple box beam
Length	about 183 ft
Location	3 Mi E. of County Line
NBI structure number	4930053
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
I-70 over Big Darby Creek	1970	32,533	Good
I-70 over Big Darby Creek	1970	32,533	Good
I-70 over Little Darby Creek	1969	29,528	Good
I-70 over Little Darby Creek	1969	29,528	Good
I-70 over Deer Creek	1969	24,059	Good
I-70 EB over Deer Creek	1969	24,059	Good