US Bridges

Ush 12 & Sth 40 over Ush 12 & Sth 29

Good

Dunn County, Wisconsin · 4.0M W JCT Cth M · Structure no. B17018200000000

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
249 ft
2 main spans
Daily traffic
3,000
2022 count
Owner
State
State Highway Agency

About this bridge

Ush 12 & Sth 40 over Ush 12 & Sth 29 is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 12 & Sth 40 over Ush 12 & Sth 29 in Dunn County, Wisconsin. It was built in 2001, so it is 24 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 3,000 vehicles a day, roughly 4% of them trucks, projected to reach 3,600 by 2043. The structure is 249 ft (75.8 m) long and 68 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUsh 12 & Sth 40
CrossesUsh 12 & Sth 29
Location4.0M W JCT Cth M
RouteU.S. Route 12
Coordinates44.89088, -91.71364
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length249 ft (75.8 m)
Longest span125 ft (38 m)
Deck width68 ft (20.7 m)
Roadway width47 ft (14.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2022)
Projected traffic3,600 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ush 12 & Sth 40 over Ush 12 & Sth 29 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Ush 12 & Sth 40 over Ush 12 & Sth 29 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 August 2024.

How much traffic does Ush 12 & Sth 40 over Ush 12 & Sth 29 carry?

About 3,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Ush 12 & Sth 40 over Ush 12 & Sth 29?

The structure is 249 ft (75.8 m) long with a longest span of 125 ft (38 m) and a deck 68 ft wide.

Who owns Ush 12 & Sth 40 over Ush 12 & Sth 29?

It is owned by the State Highway Agency.