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N2420 over Spring Creek

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

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

N2420 over Spring Creek in Washita County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1991, making it 34 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 117 of the 361 inventoried bridges in Washita County rated fair (32.4%); 11 (3.0%) are rated poor.
A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 20 ft
Location	2E; .9S of Cowden
NBI structure number	231090000000000
Condition class	Fair

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