US Bridges

Ush 12 EB over Baraboo River

Good

Sauk County, Wisconsin · 3 M E JCT Sth 33 · Structure no. B56020700000000

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
766 ft
5 main spans
Daily traffic
15,400
2021 count
Owner
State
State Highway Agency

About this bridge

Ush 12 EB over Baraboo River is a prestressed concrete continuous stringer/multi-beam or girder carrying Ush 12 EB over Baraboo River in Sauk County, Wisconsin. It was built in 2016, so it is 9 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 15,400 vehicles a day, projected to reach 18,480 by 2041. The structure is 766 ft (233.6 m) long and 52 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesUsh 12 EB
CrossesBaraboo River
Location3 M E JCT Sth 33
RouteU.S. Route 12
CountySauk County
StateWisconsin
Coordinates43.4704, -89.7762
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating41.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length766 ft (233.6 m)
Longest span160 ft (48.8 m)
Deck width52 ft (16 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,400 (2021)
Projected traffic18,480 by 2041
Trucks0%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ush 12 EB over Baraboo River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Ush 12 EB over Baraboo River 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 September 2024.

How much traffic does Ush 12 EB over Baraboo River carry?

About 15,400 vehicles per day (2021 count).

How long is Ush 12 EB over Baraboo River?

The structure is 766 ft (233.6 m) long with a longest span of 160 ft (48.8 m) and a deck 52 ft wide.

Who owns Ush 12 EB over Baraboo River?

It is owned by the State Highway Agency.