US Bridges

Sth 71/STATE Bike over Br Baraboo River

Fair

Juneau County, Wisconsin · 0.8M W JCT Sth 80/82 · Structure no. B29006800000000

Built
1975
50 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,500
2021 count
Owner
State
State Highway Agency

About this bridge

Sth 71/STATE Bike over Br Baraboo River is a concrete continuous culvert carrying Sth 71/STATE Bike over Br Baraboo River in Juneau County, Wisconsin. It was built in 1975, so it is 50 years old, older than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,500 vehicles a day, roughly 8% of them trucks, projected to reach 3,090 by 2042. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 48.5 mi (78 km).

Location

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CarriesSth 71/STATE Bike
CrossesBr Baraboo River
Location0.8M W JCT Sth 80/82
RouteState Highway 71
CountyJuneau County
StateWisconsin
Coordinates43.75053, -90.28572
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2021)
Projected traffic3,090 by 2042
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed48.5 mi (78 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 71/STATE Bike over Br Baraboo River built?

It was built in 1975, making it 50 years old in 2025.

What condition is Sth 71/STATE Bike over Br Baraboo River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Sth 71/STATE Bike over Br Baraboo River carry?

About 2,500 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Sth 71/STATE Bike over Br Baraboo River?

The structure is 22 ft (6.7 m) long with a longest span of 8 ft (2.4 m).

Who owns Sth 71/STATE Bike over Br Baraboo River?

It is owned by the State Highway Agency.