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N3270 over Bear Creek

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

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

N3270 over Bear Creek in Logan County, Oklahoma, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
It was built in 1908, making it 117 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 55 of the 280 inventoried bridges in Logan County rated poor (19.6%); 55 (19.6%) 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

Component	Rating (2025)	FHWA scale meaning
Deck	0	Failed condition, out of service
Superstructure	0	Failed condition, out of service
Substructure	0	Failed condition, out of service

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

Bridge	Built	Vehicles/day	Condition
I-35 over Creek	1959	33,500	Fair
I-35 over Bird Creek	1959	25,900	Fair
I-35 over Pin Creek	1959	18,300	Fair
I-35 NB over Creek	1959	17,200	Fair
I-35 S.B. over Creek	1959	17,150	Fair
SB I-35 over Triplett Rd. Under	1998	16,900	Fair