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US54 US69 K7 Hwy over Sycamore St

Bourbon County, Kansas · rated Good in the 2025 National Bridge Inventory

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

US54 US69 K7 Hwy over Sycamore St in Bourbon County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
It was built in 1967, making it 58 years old at the 2025 inventory.
It carries about 4,910 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 89 of the 205 inventoried bridges in Bourbon County rated good (43.4%); 29 (14.1%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings

Component	Rating (2025)	FHWA scale meaning
Culvert	7	Good condition

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

Bridge	Built	Vehicles/day	Condition
US69 K7 Hwy SB over URB1304 National Ave	1967	7,250	Good
US69 K7 Hwy NB over URB1304 National Ave	1967	7,250	Good
US54 US69 K7 Hwy over Marmaton River	1967	4,910	Good
US54 US69 K7 Hwy over Mkt Abandoned RR	1967	4,910	Good
US54 US69 K7 Hwy over BN RR (Abandoned)	1967	4,910	Good
US54 Hwy (US69/K7) over Marmaton River Overflow	2003	4,910	Good