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N3010 over Cottonwood Creek

Grant County, Oklahoma · rated Poor in the 2025 National Bridge Inventory

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

N3010 over Cottonwood Creek in Grant County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 3 (serious condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 24 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 31 of the 477 inventoried bridges in Grant County rated poor (6.5%); 31 (6.5%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	3	Serious condition

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

Bridge	Built	Vehicles/day	Condition
U.S. 60/U.S. 64&81 over Creek	1967	3,200	Fair
U.S. 60/U.S. 64&81 over Nine Mile Creek	1967	3,200	Fair
U.S. 60/U.S. 64&81 over Wild Horse Creek	1967	3,200	Fair
U.S. 60/U.S. 64&81 over Creek	1969	3,200	Good
U.S. 60 / U.S. 81 over Killpecker Creek	2003	2,300	Good
U.S. 81 over Killpecker Creek	2014	2,000	Good