US Bridges

Sth 80 over S Br Baraboo River

Fair

Vernon County, Wisconsin · 3.6M N JCT Cth V · Structure no. B62003000000000

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
114 ft
3 main spans
Daily traffic
1,300
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 80 over S Br Baraboo River is a concrete continuous slab carrying Sth 80 over S Br Baraboo River in Vernon County, Wisconsin. It was built in 1969, so it is 56 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 1,300 vehicles a day, roughly 9% of them trucks, projected to reach 2,570 by 2043. The structure is 114 ft (34.6 m) long and 41 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSth 80
CrossesS Br Baraboo River
Location3.6M N JCT Cth V
RouteState Highway 80
Coordinates43.63281, -90.35764
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.4 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length114 ft (34.6 m)
Longest span45 ft (13.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2022)
Projected traffic2,570 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 over S Br Baraboo River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Sth 80 over S 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 June 2024.

How much traffic does Sth 80 over S Br Baraboo River carry?

About 1,300 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Sth 80 over S Br Baraboo River?

The structure is 114 ft (34.6 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.

Who owns Sth 80 over S Br Baraboo River?

It is owned by the State Highway Agency.