US Bridges

IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB

Good

Dane County, Wisconsin · At JCT IH 90-USH 12-18 · Structure no. B13046000000000

Built
1997
28 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
129 ft
3 main spans
Daily traffic
27,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB is a prestressed concrete continuous stringer/multi-beam or girder carrying IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,500 vehicles a day, projected to reach 33,000 by 2042. The structure is 129 ft (39.4 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH Ramp Ush 12 Eb-
CrossesUsh 12 Wb-Ush 18 WB
LocationAt JCT IH 90-USH 12-18
RouteInterstate 90
Coordinates43.04669, -89.27335
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.8 US tons
Inventory rating28.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length129 ft (39.4 m)
Longest span51 ft (15.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2022)
Projected traffic33,000 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB built?

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

What condition is IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB carry?

About 27,500 vehicles per day (2022 count).

How long is IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB?

The structure is 129 ft (39.4 m) long with a longest span of 51 ft (15.5 m) and a deck 42 ft wide.

Who owns IH Ramp Ush 12 Eb- over Ush 12 Wb-Ush 18 WB?

It is owned by the State Highway Agency.