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N3870 over Creek

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

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

N3870 over Creek in Tulsa County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1920, making it 105 years old at the 2025 inventory.
It carries about 130 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 64 of the 1,140 inventoried bridges in Tulsa County rated poor (5.6%); 64 (5.6%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 29 ft
Location	Industrial Ave S.of 10TH
NBI structure number	008320000000000
Condition class	Poor

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