US Bridges

Lrd S 124th ST over IH-43

Fair

Milwaukee County, Wisconsin · 0.4 MI S JCT Cth T · Structure no. B40037600000000

Built
1968
57 years old, rebuilt 2011
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
156 ft
2 main spans
Daily traffic
8,800
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd S 124th ST over IH-43 is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd S 124th ST over IH-43 in Milwaukee County, Wisconsin. It was built in 1968 and reconstructed in 2011, so it is 57 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 8,800 vehicles a day, projected to reach 11,100 by 2042. The structure is 156 ft (47.7 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLrd S 124th ST
CrossesIH-43
Location0.4 MI S JCT Cth T
RouteCity Street 0
Coordinates42.95733, -88.06918
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length156 ft (47.7 m)
Longest span76 ft (23.3 m)
Deck width46 ft (14 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2022)
Projected traffic11,100 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Lrd S 124th ST over IH-43 built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2011.

What condition is Lrd S 124th ST over IH-43 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 April 2024.

How much traffic does Lrd S 124th ST over IH-43 carry?

About 8,800 vehicles per day (2022 count).

How long is Lrd S 124th ST over IH-43?

The structure is 156 ft (47.7 m) long with a longest span of 76 ft (23.3 m) and a deck 46 ft wide.

Who owns Lrd S 124th ST over IH-43?

It is owned by the State Highway Agency.