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E1150 (0504C) over Buffalo Creek

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

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

E1150 (0504C) over Buffalo Creek in Beckham County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1981, making it 44 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 89 of the 313 inventoried bridges in Beckham County rated fair (28.4%); 1 (0.3%) 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	Prestressed concrete tee beam
Length	about 134 ft
Location	1N 1.1E of Mayfield
NBI structure number	199680000000000
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 Deep Creek	1958	15,700	Good
I-40 over Creek	1958	15,700	Good
I-40 over Creek	1958	15,700	Good
I-40 over Creek	1970	14,400	Fair
I-40 WB over I-40 Bus. Under	1969	14,300	Fair
I-40 WB over S.H. 34 NB Under	1969	14,300	Fair