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29THST Rd-wichit over I-35 Hwy (kta)

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

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

29THST Rd-wichit over I-35 Hwy (kta) in Butler 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 1956, making it 69 years old at the 2025 inventory.
It carries about 72 vehicles a day (traffic count year 2023).
It is one of 352 of the 591 inventoried bridges in Butler County rated good (59.6%); 38 (6.4%) 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 girder and floorbeam
Length	about 156 ft
Location	5.55 Mi NE Seg Co Line
NBI structure number	999903500080813
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
US77 Hwy over W Br Walnut Riv/ped Pass	1935	13,087	Good
54/400 Hwy Eb/wb over Republican Creek	1955	10,250	Good
W Central Ave over Lakeside Drainage	1998	9,925	Good
US54/US400 Hwy WB over Dry Creek	1955	9,799	Good
US54/US400 Hwy EB over Dry Creek	1960	9,799	Good
US54/US400 Hwy WB over Whitewater River	1955	9,799	Fair