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Sth 29 EB System R over Lrd Stewart Ave

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

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

Sth 29 EB System R over Lrd Stewart Ave in Marathon 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 2010, making it 15 years old at the 2025 inventory.
It carries about 3,000 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 288 of the 531 inventoried bridges in Marathon County rated fair (54.2%); 40 (7.5%) 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	Concrete stringer or multi-beam girder
Length	about 203 ft
Location	at Stewert Ave
NBI structure number	B37037100000000
Condition class	Fair

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

Bridge	Built	Vehicles/day	Condition
Ih Ush 51-ih 39 NB over Ush Bus 51 & R.R.	2012	39,600	Fair
Ih 39 Sb/ush 51 over Ush Bus 51	2013	39,600	Good
Ush 51NB over Lrd Stewart Ave	2009	38,600	Good
Ush 51 SB over Lrd Hwy 52 Parkway	2007	38,600	Good
Ih Ush 51-ih 39 SB over Wisconsin River 26	1968	37,700	Good
Ush 51 NB over Lrd Sherman St	2007	34,100	Good