US Bridges

IH Ramp IH 41/USH over Lrd Underwood Pkwy

Fair

Milwaukee County, Wisconsin · 2.3M N JCT IH 894 (f) · Structure no. B40087700000000

Built
2022
3 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
641 ft
5 main spans
Daily traffic
7,700
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 41/USH over Lrd Underwood Pkwy is a steel continuous stringer/multi-beam or girder carrying IH Ramp IH 41/USH over Lrd Underwood Pkwy in Milwaukee County, Wisconsin. It was built in 2022, so it is 3 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 7,700 vehicles a day, projected to reach 7,800 by 2043. The structure is 641 ft (195.5 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesIH Ramp IH 41/USH
CrossesLrd Underwood Pkwy
Location2.3M N JCT IH 894 (f)
RouteInterstate 41
CountyMilwaukee County
StateWisconsin
Coordinates43.05495, -88.04475
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.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 44 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length641 ft (195.5 m)
Longest span145 ft (44.2 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,700 (2022)
Projected traffic7,800 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IH Ramp IH 41/USH over Lrd Underwood Pkwy built?

It was built in 2022, making it 3 years old in 2025.

What condition is IH Ramp IH 41/USH over Lrd Underwood Pkwy 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 December 2024.

How much traffic does IH Ramp IH 41/USH over Lrd Underwood Pkwy carry?

About 7,700 vehicles per day (2022 count).

How long is IH Ramp IH 41/USH over Lrd Underwood Pkwy?

The structure is 641 ft (195.5 m) long with a longest span of 145 ft (44.2 m) and a deck 30 ft wide.

Who owns IH Ramp IH 41/USH over Lrd Underwood Pkwy?

It is owned by the State Highway Agency.