US Bridges

IH 43 NB over IH 794

Fair

Milwaukee County, Wisconsin · 0.4M S of IH-43/WELLS · Structure no. B40111100020000

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,020 ft
7 main spans
Daily traffic
40,700
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 NB over IH 794 is a steel continuous stringer/multi-beam or girder carrying IH 43 NB over IH 794 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 40,700 vehicles a day, roughly 11% of them trucks, projected to reach 32,200 by 2043. The structure is 1,020 ft (310.9 m) long and 58 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesIH 43 NB
CrossesIH 794
Location0.4M S of IH-43/WELLS
RouteInterstate 43
Coordinates43.03486, -87.92325
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating73.9 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length1,020 ft (310.9 m)
Longest span175 ft (53.3 m)
Deck width58 ft (17.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic40,700 (2022)
Projected traffic32,200 by 2043
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 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 IH 794 built?

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

What condition is IH 43 NB over IH 794 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 IH 794 carry?

About 40,700 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is IH 43 NB over IH 794?

The structure is 1,020 ft (310.9 m) long with a longest span of 175 ft (53.3 m) and a deck 58 ft wide.

Who owns IH 43 NB over IH 794?

It is owned by the State Highway Agency.