US Bridges

IH 43 Sb-Ih 94 EB over Lrd Canal ST

Fair

Milwaukee County, Wisconsin · 4.2M S JCT Sth 190 to E · Structure no. B400285027J0000

Built
1968
57 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
752 ft
6 main spans
Daily traffic
78,000
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 Sb-Ih 94 EB over Lrd Canal ST is a steel continuous girder and floorbeam system carrying IH 43 Sb-Ih 94 EB over Lrd Canal ST in Milwaukee County, Wisconsin. It was built in 1968 and reconstructed in 1987, 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 78,000 vehicles a day, roughly 9% of them trucks, projected to reach 145,000 by 2043. The structure is 752 ft (229.2 m) long and 99 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 Sb-Ih 94 EB
CrossesLrd Canal ST
Location4.2M S JCT Sth 190 to E
RouteInterstate 43
Coordinates43.03243, -87.92309
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.6 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length752 ft (229.2 m)
Longest span205 ft (62.5 m)
Deck width99 ft (30.2 m)
Roadway width96 ft (29.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,000 (2022)
Projected traffic145,000 by 2043
Trucks9%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed0.6 mi (1 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was IH 43 Sb-Ih 94 EB over Lrd Canal ST built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1987.

What condition is IH 43 Sb-Ih 94 EB over Lrd Canal ST 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 Sb-Ih 94 EB over Lrd Canal ST carry?

About 78,000 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is IH 43 Sb-Ih 94 EB over Lrd Canal ST?

The structure is 752 ft (229.2 m) long with a longest span of 205 ft (62.5 m) and a deck 99 ft wide.

Who owns IH 43 Sb-Ih 94 EB over Lrd Canal ST?

It is owned by the State Highway Agency.