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Sth 21 over West Branch White River

Waushara County, Wisconsin · rated Good in the 2025 National Bridge Inventory

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

Sth 21 over West Branch White River in Waushara County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2015, making it 10 years old at the 2025 inventory.
It carries about 3,800 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 27 of the 55 inventoried bridges in Waushara County rated good (49.1%); 3 (5.5%) 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

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

Bridge	Built	Vehicles/day	Condition
Ih Ush51-ih39 SB over Cth Ch	1957	13,300	Fair
Ih Ush51-ih39 NB over Lrd Czech Ave	1986	13,300	Fair
Ih Ush 51-ih 39 SB over Lrd Czech Ave	1986	13,300	Fair
Ih Ush51-ih39nb over Cth Ch	1986	13,300	Fair
Ih Ush 51-ih 39 NB over Sth 73	1984	12,800	Fair
Ih Ush51-ih39 SB over Lrd Buttercup Ave	1966	10,200	Fair