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N2430 over Buck Creek

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

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

N2430 over Buck Creek in Washita 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 1987, making it 38 years old at the 2025 inventory.
It carries about 25 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 233 of the 361 inventoried bridges in Washita County rated good (64.5%); 11 (3.0%) 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 January 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 24 ft
Location	1.E 2.7S of Colony
NBI structure number	213770000000000
Condition class	Good
Traffic status (item 41)	Open, no restriction
Last inspection (item 90)	January 2023
Inspection interval (item 91)	24 months
Scour (item 113)	7: scour countermeasures installed

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

Bridge	Built	Vehicles/day	Condition
I-40 over Sand Creek	1958	17,500	Fair
I-40 over Creek	1958	17,400	Good
I-40 over Turkey Creek	1958	17,400	Fair
I-40 over Creek	1958	17,400	Good
I-40 over Ns-207 Under	1967	9,050	Good
I-40 over Ns-207 Under	1967	8,850	Good