US Bridges

IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros

Fair

Milwaukee County, Wisconsin · 2.1M S JCT Sth 59 to E · Structure no. B40018100000000

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
314 ft
4 main spans
Daily traffic
66,000
2022 count
Owner
State
State Highway Agency

About this bridge

IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros is a steel continuous stringer/multi-beam or girder carrying IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros in Milwaukee County, Wisconsin. It was built in 1967, so it is 58 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 66,000 vehicles a day, roughly 1% of them trucks, projected to reach 162,370 by 2042. The structure is 314 ft (95.6 m) long and 61 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 43 Sb/Ih 94 EB
CrossesKinnickinnic River & Ros
Location2.1M S JCT Sth 59 to E
RouteInterstate 43
Coordinates42.99565, -87.91537
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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length314 ft (95.6 m)
Longest span94 ft (28.7 m)
Deck width61 ft (18.6 m)
Roadway width59 ft (17.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,000 (2022)
Projected traffic162,370 by 2042
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros built?

It was built in 1967, making it 58 years old in 2025.

What condition is IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros 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 2023.

How much traffic does IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros carry?

About 66,000 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros?

The structure is 314 ft (95.6 m) long with a longest span of 94 ft (28.7 m) and a deck 61 ft wide.

Who owns IH 43 Sb/Ih 94 EB over Kinnickinnic River & Ros?

It is owned by the State Highway Agency.