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U.S. 81 over Osage Creek

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

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

U.S. 81 over Osage Creek in Grant County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1967 and reconstructed in 2015, making it 58 years old at the 2025 inventory.
It carries about 1,400 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 308 of the 477 inventoried bridges in Grant County rated fair (64.6%); 31 (6.5%) 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	Continuous steel stringer or multi-beam girder
Length	about 160 ft
Location	4.5 Mi N Jct US 60
NBI structure number	169790000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
U.S. 60/U.S. 64&81 over Creek	1967	3,200	Fair
U.S. 60/U.S. 64&81 over Nine Mile Creek	1967	3,200	Fair
U.S. 60/U.S. 64&81 over Wild Horse Creek	1967	3,200	Fair
U.S. 60/U.S. 64&81 over Creek	1969	3,200	Good
U.S. 60 / U.S. 81 over Killpecker Creek	2003	2,300	Good
U.S. 81 over Killpecker Creek	2014	2,000	Good