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RS1298 Mulberry over US36 Hwy

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

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

RS1298 Mulberry over US36 Hwy in Brown 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 1979, making it 46 years old at the 2025 inventory.
It carries about 46 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 128 of the 256 inventoried bridges in Brown County rated good (50.0%); 11 (4.3%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 268 ft
Location	2.01 Mi E US73
NBI structure number	999903600070461
Condition class	Good

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