US Bridges

Sth 133-MAIN ST over Potosi Branch

Good

Grant County, Wisconsin · 3.0M N JCT Sth 32/USH 61 · Structure no. B22010700000000

Built
1997
28 years old
Condition
Good
inspected October 2021
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
810
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 133-MAIN ST over Potosi Branch is a concrete slab carrying Sth 133-MAIN ST over Potosi Branch in Grant County, Wisconsin. It was built in 1997, so it is 28 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 810 vehicles a day, projected to reach 1,150 by 2040. The structure is 38 ft (11.6 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSth 133-MAIN ST
CrossesPotosi Branch
Location3.0M N JCT Sth 32/USH 61
RouteState Highway 133
CountyGrant County
StateWisconsin
Coordinates42.66682, -90.73054
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88.2 US tons
Inventory rating51.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic810 (2022)
Projected traffic1,150 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sth 133-MAIN ST over Potosi Branch built?

It was built in 1997, making it 28 years old in 2025.

What condition is Sth 133-MAIN ST over Potosi Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2021.

How much traffic does Sth 133-MAIN ST over Potosi Branch carry?

About 810 vehicles per day (2022 count).

How long is Sth 133-MAIN ST over Potosi Branch?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 38 ft wide.

Who owns Sth 133-MAIN ST over Potosi Branch?

It is owned by the State Highway Agency.