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8TH. Street over Big Ditch

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

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

8TH. Street over Big Ditch in Pratt County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1992, making it 33 years old at the 2025 inventory.
It carries about 330 vehicles a day (traffic count year 2021).
Its listed owner is a city or municipal highway agency.
It is one of 42 of the 118 inventoried bridges in Pratt County rated fair (35.6%); 0 (0.0%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition

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

Bridge	Built	Vehicles/day	Condition
US54/US400 Hwy over Ninnescah River	1994	7,623	Good
US54/US400 Hwy over Ninnescah River Drainage	1950	7,459	Good
US-54 Hwy over S. Fork Ninnescah River	1997	7,459	Good
NE 3rd St. over Drainage	2011	7,050	Good
US-281 Hwy over S Fk Ninnescah River Dr	1971	4,146	Good
US-281 Hwy over S F Ninnescah River	1995	3,996	Good