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U.S. 183 over Gnbc R.R. Under

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

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

U.S. 183 over Gnbc R.R. Under in Custer 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 2004, making it 21 years old at the 2025 inventory.
It carries about 8,700 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 288 of the 387 inventoried bridges in Custer County rated good (74.4%); 4 (1.0%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 289 ft
Location	0.6 N Jct I-40 Bus
NBI structure number	271550000000000
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 Little Deep Creek	1959	23,800	Good
I-40 over Creek	1959	23,000	Good
I-40 over Bear Creek	1960	23,000	Fair
I-40 over Creek	1969	19,900	Fair
I-40 over Creek	1958	19,300	Good
I-40 over Hackberry Creek	1958	19,100	Fair