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E0990 over Six Mile Creek

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

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

E0990 over Six Mile Creek in Canadian 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 5 (fair condition) on the 0-9 scale.
It was built in 1952, making it 73 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 233 of the 495 inventoried bridges in Canadian County rated fair (47.1%); 18 (3.6%) 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 60 ft
Location	1.S .4E of Calumet
NBI structure number	127970000000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
I-40 over Creek	1965	63,000	Good
I-40 over Creek	1966	40,700	Good
I-40 over Creek	1966	40,700	Good
I-40 WB over Reno Ave. Under	1966	31,500	Good
Kilpatrick Tp WB over County Line Rd Under	2019	30,400	Good
Kilpatrick Tp EB over County Line Rd Under	2019	30,400	Good