US Bridges

Sth 80/82 over Baraboo River

Good

Juneau County, Wisconsin · 0.2M N JCT STH71 · Structure no. B29010400000000

Built
2001
24 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
80 ft
2 main spans
Daily traffic
4,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 80/82 over Baraboo River is a concrete continuous slab carrying Sth 80/82 over Baraboo River in Juneau 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 4,000 vehicles a day, roughly 6% of them trucks, projected to reach 6,060 by 2042. The structure is 80 ft (24.5 m) long and 51 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSth 80/82
CrossesBaraboo River
Location0.2M N JCT STH71
RouteState Highway 80
Coordinates43.74519, -90.27309
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating37.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length80 ft (24.5 m)
Longest span39 ft (11.9 m)
Deck width51 ft (15.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2022)
Projected traffic6,060 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 80/82 over Baraboo River built?

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

What condition is Sth 80/82 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 May 2023.

How much traffic does Sth 80/82 over Baraboo River carry?

About 4,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Sth 80/82 over Baraboo River?

The structure is 80 ft (24.5 m) long with a longest span of 39 ft (11.9 m) and a deck 51 ft wide.

Who owns Sth 80/82 over Baraboo River?

It is owned by the State Highway Agency.