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Sth 55 over N Br Peshtigo River

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

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

Sth 55 over N Br Peshtigo River in Forest County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1962 and reconstructed in 1982, making it 63 years old at the 2025 inventory.
It carries about 180 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 24 of the 53 inventoried bridges in Forest County rated fair (45.3%); 6 (11.3%) 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 steel stringer or multi-beam girder
Length	about 84 ft
Location	2.5M N Jct Sth 32 to N
NBI structure number	B21000200000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ush 8 over Wolf River	1960	3,400	Fair
Sth 32 over Torpee Creek	2011	3,000	Good
Sth 32 over N Br Oconto River	1970	2,400	Fair
Sth Irr (sth 55) over Swamp Creek	1977	2,100	Good
Ush 8 over Peshtigo River	1984	2,100	Good
Ush 8 over Rat River	1987	2,000	Good