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N3990 (sheridan) over Duck Creek

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

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

N3990 (sheridan) over Duck 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 substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1986, making it 39 years old at the 2025 inventory.
It carries about 486 vehicles a day (traffic count year 2024).
Its listed owner is the county 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


Structure	Prestressed concrete tee beam
Length	about 150 ft
Location	Sheridan Rd. .3S 201ST.
NBI structure number	213080000000000
Condition class	Fair

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