US Bridges

IH 794 Wb-Lake Int over Lrd N Jackson ST

Fair

Milwaukee County, Wisconsin · 2.5 MI W JCT Carferry DR · Structure no. B400400002A0000

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
126 ft
2 main spans
Daily traffic
18,600
2022 count
Owner
State
State Highway Agency

About this bridge

IH 794 Wb-Lake Int over Lrd N Jackson ST is a prestressed concrete continuous box beam or girders - multiple carrying IH 794 Wb-Lake Int over Lrd N Jackson ST in Milwaukee County, Wisconsin. It was built in 1975, so it is 50 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 18,600 vehicles a day, roughly 3% of them trucks, projected to reach 14,995 by 2043. The structure is 126 ft (38.5 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 794 Wb-Lake Int
CrossesLrd N Jackson ST
Location2.5 MI W JCT Carferry DR
RouteInterstate 794
Coordinates43.03624, -87.90355
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length126 ft (38.5 m)
Longest span64 ft (19.4 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (2022)
Projected traffic14,995 by 2043
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 794 Wb-Lake Int over Lrd N Jackson ST built?

It was built in 1975, making it 50 years old in 2025.

What condition is IH 794 Wb-Lake Int over Lrd N Jackson 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 June 2024.

How much traffic does IH 794 Wb-Lake Int over Lrd N Jackson ST carry?

About 18,600 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is IH 794 Wb-Lake Int over Lrd N Jackson ST?

The structure is 126 ft (38.5 m) long with a longest span of 64 ft (19.4 m) and a deck 38 ft wide.

Who owns IH 794 Wb-Lake Int over Lrd N Jackson ST?

It is owned by the State Highway Agency.