US Bridges

IH 41 NB/94 WB over Des Plaines River

Good

Kenosha County, Wisconsin · 1.7 MI N JCT Sth 165 · Structure no. B30009700000000

Built
2010
15 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
147 ft
2 main spans
Daily traffic
49,450
2022 count
Owner
State
State Highway Agency

About this bridge

IH 41 NB/94 WB over Des Plaines River is a prestressed concrete continuous stringer/multi-beam or girder carrying IH 41 NB/94 WB over Des Plaines River in Kenosha County, Wisconsin. It was built in 2010, so it is 15 years old, younger 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 49,450 vehicles a day, roughly 17% of them trucks, projected to reach 59,340 by 2042. The structure is 147 ft (44.7 m) long and 75 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIH 41 NB/94 WB
CrossesDes Plaines River
Location1.7 MI N JCT Sth 165
RouteInterstate 41
Coordinates42.55393, -87.95224
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100.8 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length147 ft (44.7 m)
Longest span72 ft (21.9 m)
Deck width75 ft (22.8 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49,450 (2022)
Projected traffic59,340 by 2042
Trucks17%
Lanes on structure4
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 41 NB/94 WB over Des Plaines River built?

It was built in 2010, making it 15 years old in 2025.

What condition is IH 41 NB/94 WB over Des Plaines River 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 August 2023.

How much traffic does IH 41 NB/94 WB over Des Plaines River carry?

About 49,450 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is IH 41 NB/94 WB over Des Plaines River?

The structure is 147 ft (44.7 m) long with a longest span of 72 ft (21.9 m) and a deck 75 ft wide.

Who owns IH 41 NB/94 WB over Des Plaines River?

It is owned by the State Highway Agency.