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Lrd Onpratt Trail over Lake Winnebago

Winnebago County, Wisconsin · rated Poor in the 2025 National Bridge Inventory

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

Lrd Onpratt Trail over Lake Winnebago in Winnebago County, Wisconsin, is rated in poor condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
It was built in 1921, making it 104 years old at the 2025 inventory.
It carries about 115 vehicles a day (traffic count year 2022).
Its listed owner is a city or municipal highway agency.
It is one of 8 of the 265 inventoried bridges in Winnebago County rated poor (3.0%); 8 (3.0%) are rated poor.
A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.

Component ratings

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

Bridge	Built	Vehicles/day	Condition
Ih 41 over S Br Mud Creek	1935	88,300	Fair
Ih 41 over Neenah Slough	1975	65,700	Fair
Ih 41 over Trib Lake Butte Des Mort	2011	59,900	Good
Ush 10 Wb/sth 441 over Cth Ap (midway Rd)	2018	52,300	Good
Ih 41 SB over Menasha Creek	1992	52,000	Fair
Ih 41 NB over Menasha Creek	1992	52,000	Fair