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SW 100 Rd over Sandy Creek

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

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

SW 100 Rd over Sandy Creek in Harper County, Kansas, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1986, making it 39 years old at the 2025 inventory.
It carries about 50 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 99 of the 373 inventoried bridges in Harper County rated good (26.5%); 32 (8.6%) 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 steel stringer or multi-beam girder
Length	about 153 ft
Location	1.7W of Waldron
NBI structure number	000390723207120
Condition class	Good

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