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Ih 43 NB over Pigeon River

Sheboygan County, Wisconsin · rated Fair in the 2025 National Bridge Inventory

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

Ih 43 NB over Pigeon River in Sheboygan County, Wisconsin, 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 1971, making it 54 years old at the 2025 inventory.
It carries about 16,750 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 143 of the 239 inventoried bridges in Sheboygan County rated fair (59.8%); 12 (5.0%) 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	Continuous prestressed concrete stringer or multi-beam girder
Length	about 145 ft
Location	1.3M N Jct Sth 23 to E
NBI structure number	B59005700000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih 43 over Br Sheboygan River	1966	36,100	Fair
Ih 43 NB over Cth Ee	1967	28,300	Fair
Ih 43 SB over Cth Ee	1971	28,300	Fair
Ih 43 SB over Cnw RR	1971	28,300	Fair
Sth 23 over Br Mullet River	1984	20,700	Fair
Sth 23 (erie St) over Cnw RR	1980	19,500	Fair