US Bridges

IH 794 Wb-Lake Fre over Milwaukee River

Fair

Milwaukee County, Wisconsin · 1.5 MI W JCT Carferry DR · Structure no. B400400001A0000

Built
1974
51 years old, rebuilt 2015
Condition
Fair
inspected October 2024
Type
Arch - Thru
Steel Continuous
Length
1,140 ft
3 main spans
Daily traffic
25,200
2022 count
Owner
State
State Highway Agency

About this bridge

IH 794 Wb-Lake Fre over Milwaukee River is a steel continuous arch - thru carrying IH 794 Wb-Lake Fre over Milwaukee River in Milwaukee County, Wisconsin. It was built in 1974 and reconstructed in 2015, so it is 51 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 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 25,200 vehicles a day, roughly 1% of them trucks, projected to reach 17,593 by 2043. The structure is 1,140 ft (347.5 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 794 Wb-Lake Fre
CrossesMilwaukee River
Location1.5 MI W JCT Carferry DR
RouteInterstate 794
Coordinates43.02371, -87.89836
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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 11 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Thru
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length1,140 ft (347.5 m)
Longest span600 ft (182.9 m)
Deck width56 ft (17 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deck32 ft (9.9 m)

Traffic and service

Average daily traffic25,200 (2022)
Projected traffic17,593 by 2043
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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 794 Wb-Lake Fre over Milwaukee River built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2015.

What condition is IH 794 Wb-Lake Fre over Milwaukee River 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 October 2024.

How much traffic does IH 794 Wb-Lake Fre over Milwaukee River carry?

About 25,200 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is IH 794 Wb-Lake Fre over Milwaukee River?

The structure is 1,140 ft (347.5 m) long with a longest span of 600 ft (182.9 m) and a deck 56 ft wide.

Who owns IH 794 Wb-Lake Fre over Milwaukee River?

It is owned by the State Highway Agency.