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I-40 WB over S.H. 34 South Under

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

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

I-40 WB over S.H. 34 South Under in Beckham County, Oklahoma, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1969, making it 56 years old at the 2025 inventory.
It carries about 6,800 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 223 of the 313 inventoried bridges in Beckham County rated good (71.2%); 1 (0.3%) are rated poor.
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


Structure	Continuous steel stringer or multi-beam girder
Length	about 111 ft
Location	Jct I-40 & Sh-34
NBI structure number	174620000000000
Condition class	Good

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