US Bridges

IH 90 Wb-Ih 94 WB over Baraboo River

Fair

Columbia County, Wisconsin · 2.3M W JCT Sth 78 to N · Structure no. B11013800000000

Built
2004
21 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
160 ft
4 main spans
Daily traffic
21,700
2021 count
Owner
State
State Highway Agency

About this bridge

IH 90 Wb-Ih 94 WB over Baraboo River is a concrete continuous slab carrying IH 90 Wb-Ih 94 WB over Baraboo River in Columbia County, Wisconsin. It was built in 2004, so it is 21 years old, younger 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 21,700 vehicles a day, roughly 18% of them trucks, projected to reach 26,040 by 2041. The structure is 160 ft (48.9 m) long and 59 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 90 Wb-Ih 94 WB
CrossesBaraboo River
Location2.3M W JCT Sth 78 to N
RouteInterstate 90
Coordinates43.50944, -89.52061
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.3 US tons
Inventory rating57.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length160 ft (48.9 m)
Longest span46 ft (14 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,700 (2021)
Projected traffic26,040 by 2041
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 IH 90 Wb-Ih 94 WB over Baraboo River built?

It was built in 2004, making it 21 years old in 2025.

What condition is IH 90 Wb-Ih 94 WB over 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 July 2024.

How much traffic does IH 90 Wb-Ih 94 WB over Baraboo River carry?

About 21,700 vehicles per day (2021 count), of which roughly 18% are trucks.

How long is IH 90 Wb-Ih 94 WB over Baraboo River?

The structure is 160 ft (48.9 m) long with a longest span of 46 ft (14 m) and a deck 59 ft wide.

Who owns IH 90 Wb-Ih 94 WB over Baraboo River?

It is owned by the State Highway Agency.