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SW 30th over Fly Creek

Cherokee County, Kansas · rated Poor in the 2025 National Bridge Inventory

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

SW 30th over Fly Creek in Cherokee County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 3 (serious condition) on the 0-9 scale.
It was built in 1959, making it 66 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2019).
Its listed owner is the county highway agency.
It is one of 14 of the 325 inventoried bridges in Cherokee County rated poor (4.3%); 14 (4.3%) 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


Structure	Continuous steel stringer or multi-beam girder
Length	about 70 ft
Location	5.0W 0.7S of Neutral
NBI structure number	000111087007002
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
US-166 Hwy over Spring River Drainage	2001	7,752	Good
US-166 Hwy over Spring River	2002	7,752	Good
US69 Alt Hwy over Willow Creek	1961	7,336	Fair
US400/US69A Hwys over Brush Creek	2000	6,874	Good
US-400 Hwy over Wolf Creek	1994	6,782	Good
US-400 Hwy over Wolf Creek	1994	6,782	Good