US Bridges

IH Ramp IH 41/USH over Sth 175 NB

Fair

Milwaukee County, Wisconsin · 0.8 MI S JCT Cth Pp · Structure no. B40094000000000

Built
1952
73 years old, rebuilt 1988
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
148 ft
3 main spans
Daily traffic
2,800
2023 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 41/USH over Sth 175 NB is a steel continuous stringer/multi-beam or girder carrying IH Ramp IH 41/USH over Sth 175 NB in Milwaukee County, Wisconsin. It was built in 1952 and reconstructed in 1988, so it is 73 years old, older 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 5 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 2,800 vehicles a day, roughly 3% of them trucks, projected to reach 27,835 by 2043. The structure is 148 ft (45 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH Ramp IH 41/USH
CrossesSth 175 NB
Location0.8 MI S JCT Cth Pp
RouteInterstate 41
Coordinates43.13679, -88.05623
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.2 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45 m)
Longest span56 ft (17.2 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,800 (2023)
Projected traffic27,835 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
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 Ramp IH 41/USH over Sth 175 NB built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1988.

What condition is IH Ramp IH 41/USH over Sth 175 NB 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 July 2024.

How much traffic does IH Ramp IH 41/USH over Sth 175 NB carry?

About 2,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is IH Ramp IH 41/USH over Sth 175 NB?

The structure is 148 ft (45 m) long with a longest span of 56 ft (17.2 m) and a deck 43 ft wide.

Who owns IH Ramp IH 41/USH over Sth 175 NB?

It is owned by the State Highway Agency.