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County Line Road over over Alum Creek

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

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

County Line Road over over Alum Creek in Delaware 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 2005, making it 20 years old at the 2025 inventory.
It carries about 19,147 vehicles a day (traffic count year 2015).
Its listed owner is a city or municipal highway agency.
It is one of 183 of the 266 inventoried bridges in Delaware County rated good (68.8%); 9 (3.4%) 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 237 ft
Location	0.27 Mi W of Jct Clev Ave
NBI structure number	2170580
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ir-71 SB over Bale Kenyon Rd (TR107)	2001	41,597	Good
Ir-71 NB over over Bale-kenyon Rd TR10	2001	41,597	Good
I-71 SB over Alum Creek	1959	41,597	Good
I-71 NB over Alum Creek	1959	41,597	Good
I-71 SB over over CR 21 (africa Rd.)	1959	41,597	Good
I-71 NB over CR 21 (africa Rd.)	1959	41,597	Good