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N2660 over Willow Creek

Blaine County, Oklahoma · rated Good in the 2025 National Bridge Inventory

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

N2660 over Willow Creek in Blaine County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 2018, making it 7 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 184 of the 272 inventoried bridges in Blaine County rated good (67.6%); 19 (7.0%) are rated poor.
Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
Its condition class and component ratings are unchanged from the 2024 inventory.
Its most recent inspection on record is dated June 2023, on a 24-month routine inspection cycle.
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

Component	Rating (2024)	Rating (2025)	FHWA scale meaning
Culvert	7	7	Good condition


Structure	Concrete culvert
Length	about 41 ft
Location	5E .5S of HITCHCOCK
NBI structure number	319810000000000
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	June 2023
Inspection interval (item 91)	24 months
Scour (item 113)	8: foundations stable, scour above the top of the footing

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

Bridge	Built	Vehicles/day	Condition
U.S. 270 over Creek	1937	5,100	Good
U.S. 270 over Creek	1984	5,100	Good
U.S. 270 over Creek	1930	5,000	Good
U.S. 270 over N. Canadian River	1971	5,000	Fair
U.S. 270 over N. Canadian River Oflow	1971	5,000	Good
S.H. 3 over Creek	1984	5,000	Good