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6600 Rd over Trib. to Duck Creek

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

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

6600 Rd over Trib. to Duck Creek in Wilson 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 1978, making it 47 years old at the 2025 inventory.
It carries about 15 vehicles a day (traffic count year 2013).
Its listed owner is the county highway agency.
It is one of 110 of the 205 inventoried bridges in Wilson County rated fair (53.7%); 25 (12.2%) 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 101 ft
Location	1.0S 2.2W of La Fontaine
NBI structure number	001030977206600
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
US-400 Hwy over Clear Creek	1997	4,843	Good
US-400 Hwy over Fall River Drainage	1996	4,843	Good
US-400 Hwy over Silver Creek Tributary	1997	4,720	Good
US-400 Hwy over Silver Creek	1998	4,402	Good
US-400 Hwy over Fall River Drainage	1996	4,340	Good
US-400 Hwy over Fall River	1997	4,340	Good