US Bridges

IH 90 Eb-Ih 94 EB over Spring Brook

Fair

Sauk County, Wisconsin · 1.9M E JCT Sth 13 to N · Structure no. B56004200000000

Built
1961
64 years old, rebuilt 1990
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
21,450
2022 count
Owner
State
State Highway Agency

About this bridge

IH 90 Eb-Ih 94 EB over Spring Brook is a concrete continuous slab carrying IH 90 Eb-Ih 94 EB over Spring Brook in Sauk County, Wisconsin. It was built in 1961 and reconstructed in 1990, so it is 64 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 21,450 vehicles a day, roughly 20% of them trucks, projected to reach 25,740 by 2042. The structure is 107 ft (32.7 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 90 Eb-Ih 94 EB
CrossesSpring Brook
Location1.9M E JCT Sth 13 to N
RouteInterstate 90
Coordinates43.59664, -89.81395
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating70.2 US tons
Inventory rating42.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length107 ft (32.7 m)
Longest span41 ft (12.5 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,450 (2022)
Projected traffic25,740 by 2042
Trucks20%
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 Eb-Ih 94 EB over Spring Brook built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1990.

What condition is IH 90 Eb-Ih 94 EB over Spring Brook 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 January 2024.

How much traffic does IH 90 Eb-Ih 94 EB over Spring Brook carry?

About 21,450 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is IH 90 Eb-Ih 94 EB over Spring Brook?

The structure is 107 ft (32.7 m) long with a longest span of 41 ft (12.5 m) and a deck 44 ft wide.

Who owns IH 90 Eb-Ih 94 EB over Spring Brook?

It is owned by the State Highway Agency.