US Bridges

IH-43 NB over Lrd ST Paul Ave

Fair

Milwaukee County, Wisconsin · 0.52 M S OFIH-43/WEL · Structure no. B40111100010000

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
773 ft
5 main spans
Daily traffic
44,300
2022 count
Owner
State
State Highway Agency

About this bridge

IH-43 NB over Lrd ST Paul Ave is a steel continuous stringer/multi-beam or girder carrying IH-43 NB over Lrd ST Paul Ave 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 44,300 vehicles a day, roughly 11% of them trucks, projected to reach 38,900 by 2043. The structure is 773 ft (235.5 m) long and 59 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH-43 NB
CrossesLrd ST Paul Ave
Location0.52 M S OFIH-43/WEL
RouteInterstate 43
Coordinates43.03286, -87.92249
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 inspectionSeptember 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 rating59.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length773 ft (235.5 m)
Longest span170 ft (51.7 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck18 ft (5.4 m)

Traffic and service

Average daily traffic44,300 (2022)
Projected traffic38,900 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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-43 NB over Lrd ST Paul Ave built?

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

What condition is IH-43 NB over Lrd ST Paul Ave 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 September 2024.

How much traffic does IH-43 NB over Lrd ST Paul Ave carry?

About 44,300 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is IH-43 NB over Lrd ST Paul Ave?

The structure is 773 ft (235.5 m) long with a longest span of 170 ft (51.7 m) and a deck 59 ft wide.

Who owns IH-43 NB over Lrd ST Paul Ave?

It is owned by the State Highway Agency.