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K4 Hwy over South Branch Mission CR

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

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

K4 Hwy over South Branch Mission CR in Wabaunsee 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 8 (very good condition) on the 0-9 scale.
It was built in 2011, making it 14 years old at the 2025 inventory.
It carries about 831 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 89 of the 242 inventoried bridges in Wabaunsee County rated good (36.8%); 25 (10.3%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	8	Very good condition

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

Bridge	Built	Vehicles/day	Condition
I-70 Highway EB over Dry Creek	2003	11,271	Good
I-70 Highway WB over Keene Road	2003	11,271	Good
I-70 Highway EB over Keene Road	2003	11,271	Good
I-70 Highway WB over Hudson Ranch Road	2003	11,271	Good
I-70 Highway EB over Hudson Ranch Road	2003	11,271	Good
I-70 Highway WB over Dry Creek	2003	11,220	Fair