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St-33 Tongan. Rd. over Stranger CR.

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

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

St-33 Tongan. Rd. over Stranger CR. in Leavenworth County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
It was built in 2012, making it 13 years old at the 2025 inventory.
It carries about 3,550 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 142 of the 237 inventoried bridges in Leavenworth County rated good (59.9%); 9 (3.8%) 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 362 ft
Location	3.7 mi NE of Tonganoxie
NBI structure number	000000000520055
Condition class	Good

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