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RS 60 170th St. over Delaware River

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

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

RS 60 170th St. over Delaware River in Brown County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1960, making it 65 years old at the 2025 inventory.
It carries about 320 vehicles a day (traffic count year 2014).
Its listed owner is the county highway agency.
It is one of 117 of the 256 inventoried bridges in Brown County rated fair (45.7%); 11 (4.3%) 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


Structure	Prestressed concrete tee beam
Length	about 82 ft
Location	0.4S 3.1W of Powhattan
NBI structure number	000000000070004
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US75 Hwy over Craig Creek Drainage	1956	5,099	Good
US-75 Hwy over Craig Creek Drainage	1995	5,099	Good
US-75 Hwy over Main Street	2003	4,709	Good
US-75 Hwy over Old K-246 Hwy UP RR	2003	4,709	Good
US75 Hwy over Delaware River Dr	1954	4,596	Good
US-75 Hwy over Plum Creek	1995	4,596	Good