US Bridges

IH 90 Wb-Ih 94 WB over Cth T

Fair

Dane County, Wisconsin · 0.4M W JCT IH 94 to E · Structure no. B13028900000000

Built
1997
28 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
54,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH 90 Wb-Ih 94 WB over Cth T is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 90 Wb-Ih 94 WB over Cth T in Dane County, Wisconsin. It was built in 1997, so it is 28 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 54,500 vehicles a day, roughly 10% of them trucks, projected to reach 65,400 by 2042. The structure is 150 ft (45.6 m) long and 98 ft wide.

CarriesIH 90 Wb-Ih 94 WB
CrossesCth T
Location0.4M W JCT IH 94 to E
RouteInterstate 90
Coordinates43.10648, -89.28224
Functional classUrban 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 rating88.2 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.6 m)
Longest span87 ft (26.5 m)
Deck width98 ft (29.9 m)
Roadway width95 ft (29 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54,500 (2022)
Projected traffic65,400 by 2042
Trucks10%
Lanes on structure6
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 90 Wb-Ih 94 WB over Cth T built?

It was built in 1997, making it 28 years old in 2025.

What condition is IH 90 Wb-Ih 94 WB over Cth T 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 Wb-Ih 94 WB over Cth T carry?

About 54,500 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IH 90 Wb-Ih 94 WB over Cth T?

The structure is 150 ft (45.6 m) long with a longest span of 87 ft (26.5 m) and a deck 98 ft wide.

Who owns IH 90 Wb-Ih 94 WB over Cth T?

It is owned by the State Highway Agency.