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Fau 8400 (apache S over Dirty Butter Creek

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

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

Fau 8400 (apache S over Dirty Butter Creek in Tulsa County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1990, making it 35 years old at the 2025 inventory.
It carries about 8,260 vehicles a day (traffic count year 2022).
Its listed owner is a city or municipal highway agency.
It is one of 546 of the 1,140 inventoried bridges in Tulsa County rated fair (47.9%); 64 (5.6%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
S Mingo Rd over Haikey Creek West Branch	2022	181,800	Good
U.S. 169 over Mingo Creek	1976	123,200	Fair
U.S. 169 over Mingo Creek	1976	123,200	Good
U.S. 169 over S.H. 51 Under	1976	123,200	Fair
U.S. 169 over E 61 St S Under	1988	123,200	Fair
U.S. 169 over Creek	1963	116,300	Good