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NW 30th RD over Stream

Harper County, Kansas · rated Poor in the 2025 National Bridge Inventory

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

NW 30th RD over Stream in Harper County, Kansas, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
It was built in 1970, making it 55 years old at the 2025 inventory.
It carries about 10 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 32 of the 373 inventoried bridges in Harper County rated poor (8.6%); 32 (8.6%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings


Structure	Continuous steel stringer or multi-beam girder
Length	about 38 ft
Location	1.5W 3.0S of Attica
NBI structure number	000390717506860
Condition class	Poor

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

Bridge	Built	Vehicles/day	Condition
K2 Hwy over Spring Creek Drainage	1959	3,406	Good
K-2 Hwy over East Sand Creek Drainage	1992	2,657	Good
K2 Hwy over East Sand Creek Drainage	1937	2,616	Good
K2 Hwy over East Spring Creek	1937	2,616	Good
K2 Hwy over Chikaskia River	1990	2,616	Good
K-2 Hwy over BNSF Railroad	1992	2,544	Good