US Bridges

IH Ramp IH 43 SB/9 over IH 41 SB

Fair

Milwaukee County, Wisconsin · 1.0 MI S JCT 13th ST · Structure no. B40082300000000

Built
2012
13 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
232 ft
1 main span
Daily traffic
7,000
2021 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 43 SB/9 over IH 41 SB is a steel stringer/multi-beam or girder carrying IH Ramp IH 43 SB/9 over IH 41 SB in Milwaukee County, Wisconsin. It was built in 2012, so it is 13 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 7,000 vehicles a day, projected to reach 8,400 by 2041. The structure is 232 ft (70.6 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH Ramp IH 43 SB/9
CrossesIH 41 SB
Location1.0 MI S JCT 13th ST
RouteInterstate 43
Coordinates42.96095, -87.93508
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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating44 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length232 ft (70.6 m)
Longest span225 ft (68.6 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2021)
Projected traffic8,400 by 2041
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 43 SB/9 over IH 41 SB built?

It was built in 2012, making it 13 years old in 2025.

What condition is IH Ramp IH 43 SB/9 over IH 41 SB 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 43 SB/9 over IH 41 SB carry?

About 7,000 vehicles per day (2021 count).

How long is IH Ramp IH 43 SB/9 over IH 41 SB?

The structure is 232 ft (70.6 m) long with a longest span of 225 ft (68.6 m) and a deck 45 ft wide.

Who owns IH Ramp IH 43 SB/9 over IH 41 SB?

It is owned by the State Highway Agency.