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E0230 over Oologah Lake Trib.

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

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

E0230 over Oologah Lake Trib. in Nowata County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 3 (serious condition) on the 0-9 scale.
It was built in 2020, making it 5 years old at the 2025 inventory.
It carries about 100 vehicles a day (traffic count year 2022).
Its listed owner is the county highway agency.
It is one of 14 of the 126 inventoried bridges in Nowata County rated poor (11.1%); 14 (11.1%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	3	Serious condition

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

Bridge	Built	Vehicles/day	Condition
U.S. 169 over Creek	1937	6,800	Fair
U.S. 169 over Double Creek	2002	5,800	Good
U.S. 169 over Vineger Creek	1962	5,700	Fair
U.S. 169 over Opossum Creek	2018	5,700	Good
U.S. 169 over Opossum Creek Overflow	2018	5,700	Good
U.S. 169 over Double Creek	2002	5,600	Good