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N3360 over Wolf Creek

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

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

N3360 over Wolf Creek in Kay County, Oklahoma, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the superstructure, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 2006, making it 19 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 268 of the 419 inventoried bridges in Kay County rated fair (64.0%); 22 (5.3%) 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	Steel stringer or multi-beam girder
Length	about 41 ft
Location	2.2E 2.S of Newkirk
NBI structure number	284340000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-35 over Salt Fk Ark Rvr Oflow	1959	17,500	Good
I-35 over Salt Fk Ark Rvr Oflow	1962	17,500	Fair
I-35 over Salt Fk Ark Rvr Oflow	1962	17,500	Fair
I-35 over Creek	1959	15,700	Fair
I-35 over Creek	1960	15,500	Fair
I-35 over Dry Creek	1959	14,300	Fair