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Rs 259 7.0-20.5 over Trib. W. Br. Mosquito Ck

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

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

Rs 259 7.0-20.5 over Trib. W. Br. Mosquito Ck in Franklin 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 1940 and reconstructed in 1992, making it 85 years old at the 2025 inventory.
It carries about 695 vehicles a day (traffic count year 2013).
Its listed owner is the county highway agency.
It is one of 180 of the 332 inventoried bridges in Franklin County rated good (54.2%); 14 (4.2%) 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
US59 Hwy over Rock Creek Drainage	1980	12,700	Good
US59 Hwy over Rock Creek	1980	12,700	Good
I35 Hwy SB over Walnut Creek	1957	11,016	Good
I35 Hwy NB over Walnut Creek	1957	11,016	Good
I35 Hwy SB over Mar Des Cyg Riv Pd Pass	1958	10,506	Fair
I35 Hwy NB over Mar Des Cyg Riv Pd Pass	1958	10,506	Fair