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51st RD over Pole Cat Creek

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

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

51st RD over Pole Cat 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 substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1930 and reconstructed in 1965, making it 95 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2018).
Its listed owner is the county 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


Structure	Prestressed concrete tee beam
Length	about 39 ft
Location	3.0W of Rock
NBI structure number	000180851006524
Condition class	Fair

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