US Bridges

IH 90 Eb-Ih 94 EB over Sth 13

Fair

Sauk County, Wisconsin · 1.9M E JCT Ush 12 to Cth · Structure no. B56003900000000

Built
1961
64 years old, rebuilt 1991
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 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 Sth 13 is a steel continuous stringer/multi-beam or girder carrying IH 90 Eb-Ih 94 EB over Sth 13 in Sauk County, Wisconsin. It was built in 1961 and reconstructed in 1991, 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 5 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 280 ft (85.4 m) long and 52 ft wide.

CarriesIH 90 Eb-Ih 94 EB
CrossesSth 13
Location1.9M E JCT Ush 12 to Cth
RouteInterstate 90
Coordinates43.62473, -89.80465
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length280 ft (85.4 m)
Longest span105 ft (32 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,450 (2022)
Projected traffic25,740 by 2042
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed—
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 Sth 13 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is IH 90 Eb-Ih 94 EB over Sth 13 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 Sth 13 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 Sth 13?

The structure is 280 ft (85.4 m) long with a longest span of 105 ft (32 m) and a deck 52 ft wide.

Who owns IH 90 Eb-Ih 94 EB over Sth 13?

It is owned by the State Highway Agency.