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5450 RD Mile 17 over Chateau Creek

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

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

5450 RD Mile 17 over Chateau Creek in Montgomery County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 30 vehicles a day (traffic count year 2010).
Its listed owner is the county highway agency.
It is one of 105 of the 326 inventoried bridges in Montgomery County rated good (32.2%); 18 (5.5%) 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


Structure	Prestressed concrete stringer or multi-beam girder
Length	about 82 ft
Location	1.5S 2.7E of Sycamore
NBI structure number	000631001706705
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US166 US169 Hwy over Verdigris River	1948	10,188	Good
US75 US160 Hwy over UP RR 20TH ST & Drg.	1940	8,501	Good
US169 Hwy over Onion Creek Overflow	1988	6,903	Good
US169 Hwy over Onion Creek	1988	6,903	Good
Eighth Street; 001 over Sycamore Creek	1984	5,950	Fair
US160 K96 Hwy over Mouse Creek	1960	5,920	Fair