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T-58 250TH Street over Trib. to Nine Mile Ck.

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

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

T-58 250TH Street over Trib. to Nine Mile Ck. in Leavenworth 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 5 (fair condition) on the 0-9 scale.
It was built in 1940, making it 85 years old at the 2025 inventory.
It carries about 152 vehicles a day (traffic count year 2024).
Its listed owner is the county highway agency.
It is one of 86 of the 237 inventoried bridges in Leavenworth County rated fair (36.3%); 9 (3.8%) 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	Steel stringer or multi-beam girder
Length	about 29 ft
Location	4.0W 0.3S of Tonganoxie
NBI structure number	000521053504228
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-73 Hwy over Seven Mile Creek	2006	27,473	Good
US73 Hwy over Five Mile Creek	1983	20,979	Good
I-70 Hwy EB (kta) over Mud Creek	1956	17,657	Good
I-70 Hwy WB (kta) over Mud Creek	1956	17,657	Good
I-70 Hwy EB (kta) over Ninemile Creek	1956	17,657	Good
I-70 Hwy WB (kta) over Ninemile Creek	1956	17,657	Fair