US Bridges

IH Ramp IH 41/USH over IH Ramp Sth 145 - IH 41

Good

Milwaukee County, Wisconsin · 1.8 MI S JCT Sth 74 · Structure no. B40041200000000

Built
2001
24 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
126 ft
1 main span
Daily traffic
9,400
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 41/USH over IH Ramp Sth 145 - IH 41 is a prestressed concrete stringer/multi-beam or girder carrying IH Ramp IH 41/USH over IH Ramp Sth 145 - IH 41 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 9,400 vehicles a day, roughly 10% of them trucks, projected to reach 52,296 by 2041. The structure is 126 ft (38.3 m) long and 59 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesIH Ramp IH 41/USH
CrossesIH Ramp Sth 145 - IH 41
Location1.8 MI S JCT Sth 74
RouteInterstate 41
Coordinates43.15853, -88.06314
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.5 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length126 ft (38.3 m)
Longest span117 ft (35.7 m)
Deck width59 ft (18 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2022)
Projected traffic52,296 by 2041
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 IH Ramp Sth 145 - IH 41 built?

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

What condition is IH Ramp IH 41/USH over IH Ramp Sth 145 - IH 41 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 IH Ramp Sth 145 - IH 41 carry?

About 9,400 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is IH Ramp IH 41/USH over IH Ramp Sth 145 - IH 41?

The structure is 126 ft (38.3 m) long with a longest span of 117 ft (35.7 m) and a deck 59 ft wide.

Who owns IH Ramp IH 41/USH over IH Ramp Sth 145 - IH 41?

It is owned by the State Highway Agency.