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Sth 29 over S Fk Kinnickinnic River

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

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

Sth 29 over S Fk Kinnickinnic River in Pierce County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the culvert, rated 6 (satisfactory condition) on the 0-9 scale.
It was built in 1969, making it 56 years old at the 2025 inventory.
It carries about 2,500 vehicles a day (traffic count year 2022).
Its listed owner is the state highway agency.
It is one of 93 of the 250 inventoried bridges in Pierce County rated fair (37.2%); 10 (4.0%) 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

Component	Rating (2025)	FHWA scale meaning
Culvert	6	Satisfactory condition


Structure	Continuous concrete culvert
Length	about 28 ft
Location	3.5M E Jct Sth 65 to S
NBI structure number	B47003900000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Lrd Main St over S Fk Kinnickinnic River	1982	21,115	Fair
Ush 10 over St Croix River 01	1990	16,800	Fair
Sth 35 over Cth M	1993	12,000	Good
Ush 63 over Mississippi River 10	2019	11,000	Fair
Sth 35 over Lrd Golf View Rd	1993	10,200	Good
Sth 65 over S Fk Kinnickinnic River	1993	9,400	Fair