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Amity Pike Cr-36 over Big Darby River

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

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

Amity Pike Cr-36 over Big Darby River in Madison County, Ohio, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2009, making it 16 years old at the 2025 inventory.
It carries about 1,517 vehicles a day (traffic count year 2015).
Its listed owner is the county highway agency.
It is one of 132 of the 200 inventoried bridges in Madison County rated good (66.0%); 17 (8.5%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 289 ft
Location	.2 Mi. E. of Co. Rd. 7
NBI structure number	4931637
Condition class	Good

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