US Bridges

IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth

Good

Milwaukee County, Wisconsin · At JCT IH 43-STH 57-190 · Structure no. B40101400000000

Built
2023
2 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
4,700
2021 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth is a prestressed concrete stringer/multi-beam or girder carrying IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth in Milwaukee County, Wisconsin. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,700 vehicles a day, projected to reach 5,640 by 2041. The structure is 64 ft (19.6 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 43 SB T
CrossesIH Ramp IH 43 NB to Sth
LocationAt JCT IH 43-STH 57-190
RouteInterstate 43
CountyMilwaukee County
StateWisconsin
Coordinates43.09256, -87.92241
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length64 ft (19.6 m)
Longest span59 ft (18 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2021)
Projected traffic5,640 by 2041
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
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$449,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth built?

It was built in 2023, making it 2 years old in 2025.

What condition is IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth 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 August 2023.

How much traffic does IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth carry?

About 4,700 vehicles per day (2021 count).

How long is IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth?

The structure is 64 ft (19.6 m) long with a longest span of 59 ft (18 m) and a deck 30 ft wide.

Who owns IH Ramp IH 43 SB T over IH Ramp IH 43 NB to Sth?

It is owned by the State Highway Agency.