US Bridges

IH 794 Wb-Lake Fre over Dock RR

Good

Milwaukee County, Wisconsin · 1.2 MI W JCT Carferry DR · Structure no. B4004000S4A0000

Built
1974
51 years old, rebuilt 2015
Condition
Good
inspected June 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
495 ft
4 main spans
Daily traffic
17,900
2022 count
Owner
State
State Highway Agency

About this bridge

IH 794 Wb-Lake Fre over Dock RR is a steel continuous girder and floorbeam system carrying IH 794 Wb-Lake Fre over Dock RR 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,900 vehicles a day, roughly 3% of them trucks, projected to reach 14,995 by 2042. The structure is 495 ft (150.9 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 794 Wb-Lake Fre
CrossesDock RR
Location1.2 MI W JCT Carferry DR
RouteInterstate 794
Coordinates43.01924, -87.89702
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadH 20
Structure length495 ft (150.9 m)
Longest span165 ft (50.3 m)
Deck width56 ft (17 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,900 (2022)
Projected traffic14,995 by 2042
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 Fre over Dock RR 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 Dock RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does IH 794 Wb-Lake Fre over Dock RR carry?

About 17,900 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is IH 794 Wb-Lake Fre over Dock RR?

The structure is 495 ft (150.9 m) long with a longest span of 165 ft (50.3 m) and a deck 56 ft wide.

Who owns IH 794 Wb-Lake Fre over Dock RR?

It is owned by the State Highway Agency.