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N3416 over Salt Creek

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

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

N3416 over Salt Creek in Pottawatomie 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 1940 and reconstructed in 1976, making it 85 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 25 of the 408 inventoried bridges in Pottawatomie County rated poor (6.1%); 25 (6.1%) 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

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

Bridge	Built	Vehicles/day	Condition
I-40 WB over Old U.S. 270 Under	2018	38,000	Good
I-40 EB over Old U.S. 270 Under	2018	38,000	Good
I-40 over Creek	1961	34,400	Fair
I-40 over Deer Creek	2007	34,400	Good
I-40 over Creek	1962	27,900	Fair
I-40 over Creek	1963	20,500	Fair