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K15 Hwy over Stewart Creek

Cowley County, Kansas · rated Fair in the 2025 National Bridge Inventory

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

K15 Hwy over Stewart Creek in Cowley County, Kansas, 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 1953, making it 72 years old at the 2025 inventory.
It carries about 3,488 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 193 of the 340 inventoried bridges in Cowley County rated fair (56.8%); 18 (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

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

Bridge	Built	Vehicles/day	Condition
Summit Street N. over C Street Canal	1928	15,675	Fair
US-77 Hwy over "c" Street Canal	1997	6,234	Good
US-77 Hwy over North Creek	1997	6,234	Good
US-77 Hwy over North Creek Tributary	1998	6,234	Good
US-77 Hwy over BNSF Railroad	1998	6,234	Good
US-77 Hwy over North Creek Tributary	1998	6,234	Good