US Bridges

IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S

Fair

Milwaukee County, Wisconsin · Stadium Interchange · Structure no. B40004900020000

Built
1959
66 years old, rebuilt 1998
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
215 ft
4 main spans
Daily traffic
15,800
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S is a steel continuous stringer/multi-beam or girder carrying IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S in Milwaukee County, Wisconsin. It was built in 1959 and reconstructed in 1998, so it is 66 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 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 15,800 vehicles a day, projected to reach 18,960 by 2042. The structure is 215 ft (65.6 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIH Ramp Sth 175 SB
CrossesIH Ramp IH 94WB-STH 175S
LocationStadium Interchange
RouteInterstate 94
CountyMilwaukee County
StateWisconsin
Coordinates43.03336, -87.96954
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length215 ft (65.6 m)
Longest span88 ft (26.8 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,800 (2022)
Projected traffic18,960 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1998.

What condition is IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S 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 June 2024.

How much traffic does IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S carry?

About 15,800 vehicles per day (2022 count).

How long is IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S?

The structure is 215 ft (65.6 m) long with a longest span of 88 ft (26.8 m) and a deck 37 ft wide.

Who owns IH Ramp Sth 175 SB over IH Ramp IH 94WB-STH 175S?

It is owned by the State Highway Agency.