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Cyclone(24.8-cc.0) over Trib. to Irish Creek

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

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

Cyclone(24.8-cc.0) over Trib. to Irish Creek in Marshall 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 4 (poor condition) on the 0-9 scale.
It was built in 1945, making it 80 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2007).
Its listed owner is the county highway agency.
It is one of 42 of the 403 inventoried bridges in Marshall County rated poor (10.4%); 42 (10.4%) 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	Timber stringer or multi-beam girder
Length	about 23 ft
Location	2.2W 1.0S of Lillis
NBI structure number	000580925903560
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
U36 Hwy over Bigblueriv&uprr&localrd	2004	5,184	Good
US36 Hwy over Spring Creek Drainage	1957	3,333	Good
US-36 Hwy over Spring Creek	1993	3,333	Good
US36 Hwy over N F Blk Vermillion R Drn	1958	3,045	Good
US 36 Hwy over Robidoux Creek	1990	2,986	Good
US36 Hwy over N F Blk Vermillion R Drn	1958	2,608	Fair