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NE 40th Ave. over Sand Creek

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

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

NE 40th Ave. over Sand Creek in Harper County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
It was built in 1979, making it 46 years old at the 2025 inventory.
It carries about 75 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 242 of the 373 inventoried bridges in Harper County rated fair (64.9%); 32 (8.6%) 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	Continuous concrete tee beam
Length	about 198 ft
Location	1.0S 3.0E of Harper
NBI structure number	000000000390450
Condition class	Fair

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