US Bridges

IH Ramp IH 41/USH over Sth 145/124th ST

Good

Milwaukee County, Wisconsin · 1.8 MI S JCT Sth 74 · Structure no. B40039900000000

Built
2001
24 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
287 ft
2 main spans
Daily traffic
10,400
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 41/USH over Sth 145/124th ST is a prestressed concrete continuous stringer/multi-beam or girder carrying IH Ramp IH 41/USH over Sth 145/124th ST in Milwaukee County, Wisconsin. It was built in 2001, so it is 24 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 10,400 vehicles a day, roughly 10% of them trucks, projected to reach 52,296 by 2041. The structure is 287 ft (87.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH Ramp IH 41/USH
CrossesSth 145/124th ST
Location1.8 MI S JCT Sth 74
RouteInterstate 41
Coordinates43.15983, -88.06451
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.
Substructure8 Very GoodNo problems noted.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length287 ft (87.6 m)
Longest span147 ft (44.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,400 (2022)
Projected traffic52,296 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 IH 41/USH over Sth 145/124th ST built?

It was built in 2001, making it 24 years old in 2025.

What condition is IH Ramp IH 41/USH over Sth 145/124th ST 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 March 2022.

How much traffic does IH Ramp IH 41/USH over Sth 145/124th ST carry?

About 10,400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IH Ramp IH 41/USH over Sth 145/124th ST?

The structure is 287 ft (87.6 m) long with a longest span of 147 ft (44.8 m) and a deck 43 ft wide.

Who owns IH Ramp IH 41/USH over Sth 145/124th ST?

It is owned by the State Highway Agency.