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Sth 133 over Mill Branch

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

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

Sth 133 over Mill Branch in Grant 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 1993, making it 32 years old at the 2025 inventory.
It carries about 950 vehicles a day (traffic count year 2021).
Its listed owner is the state highway agency.
It is one of 253 of the 381 inventoried bridges in Grant County rated good (66.4%); 16 (4.2%) 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	Prestressed concrete stringer or multi-beam girder
Length	about 61 ft
Location	3.2M N Jct Cth Y
NBI structure number	B22013600000000
Condition class	Good

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

Bridge	Built	Vehicles/day	Condition
Ush 61/151 Sb-sth over Ush 61/151 NB on Ramp (E	2015	15,500	Good
Ush 61-ush 151 over Mississippi River 01	1982	12,700	Fair
Ush 151 over Roundtree Branch Creek	2005	9,495	Good
Ush 151 NB over Lrd Mc Adam Rd	2005	8,100	Good
Ush 151 SB over Lrd Mc Adam Rd	2005	8,100	Good
Ush 151 NB over Mcadam Br	2006	8,100	Good