US Bridges

Lrd Walnut ST over IH 43

Fair

Milwaukee County, Wisconsin · 1.2 MI N JCT IH 94 · Structure no. B40069200000000

Built
2006
19 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
272 ft
2 main spans
Daily traffic
15,100
2022 count
Owner
State
State Highway Agency

About this bridge

Lrd Walnut ST over IH 43 is a prestressed concrete continuous stringer/multi-beam or girder carrying Lrd Walnut ST over IH 43 in Milwaukee County, Wisconsin. It was built in 2006, so it is 19 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 15,100 vehicles a day, projected to reach 21,500 by 2042. The structure is 272 ft (82.9 m) long and 111 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesLrd Walnut ST
CrossesIH 43
Location1.2 MI N JCT IH 94
RouteCity Street 0
Coordinates43.05251, -87.92588
Functional classUrban Local

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.2 US tons
Inventory rating37.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length272 ft (82.9 m)
Longest span134 ft (40.8 m)
Deck width111 ft (33.8 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,100 (2022)
Projected traffic21,500 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Walnut ST over IH 43 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Lrd Walnut 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 July 2023.

How much traffic does Lrd Walnut ST over IH 43 carry?

About 15,100 vehicles per day (2022 count).

How long is Lrd Walnut ST over IH 43?

The structure is 272 ft (82.9 m) long with a longest span of 134 ft (40.8 m) and a deck 111 ft wide.

Who owns Lrd Walnut ST over IH 43?

It is owned by the State Highway Agency.