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Ih 41NB to 45NB Ra over Ush I41 & Ush 45

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

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

Ih 41NB to 45NB Ra over Ush I41 & Ush 45 in Winnebago 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 7 (good condition) on the 0-9 scale.
It was built in 2012, making it 13 years old at the 2025 inventory.
It carries about 7,800 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 163 of the 265 inventoried bridges in Winnebago County rated good (61.5%); 8 (3.0%) 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 1,215 ft
Location	Ih 41/STH 45 Interchange
NBI structure number	B70026900000000
Condition class	Good

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