US Bridges

IH 90 Eb-Ih 94 EB over Cth H

Fair

Sauk County, Wisconsin · 1.8M E JCT Ush 12 (c) · Structure no. B56003700000000

Built
1960
65 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
18,750
2022 count
Owner
State
State Highway Agency

About this bridge

IH 90 Eb-Ih 94 EB over Cth H is a concrete continuous slab carrying IH 90 Eb-Ih 94 EB over Cth H in Sauk County, Wisconsin. It was built in 1960 and reconstructed in 1991, so it is 65 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 18,750 vehicles a day, roughly 20% of them trucks, projected to reach 26,220 by 2042. The structure is 110 ft (33.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 90 Eb-Ih 94 EB
CrossesCth H
Location1.8M E JCT Ush 12 (c)
RouteInterstate 90
Coordinates43.62669, -89.80523
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length110 ft (33.6 m)
Longest span41 ft (12.6 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,750 (2022)
Projected traffic26,220 by 2042
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 90 Eb-Ih 94 EB over Cth H built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.

What condition is IH 90 Eb-Ih 94 EB over Cth H 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 IH 90 Eb-Ih 94 EB over Cth H carry?

About 18,750 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is IH 90 Eb-Ih 94 EB over Cth H?

The structure is 110 ft (33.6 m) long with a longest span of 41 ft (12.6 m) and a deck 42 ft wide.

Who owns IH 90 Eb-Ih 94 EB over Cth H?

It is owned by the State Highway Agency.