US Bridges

Sth 50 EB over Des Plaines River

Good

Kenosha County, Wisconsin · 1.4M E JCT Ush 45 · Structure no. B30005400000000

Built
1989
36 years old
Condition
Good
inspected September 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
136 ft
3 main spans
Daily traffic
17,000
2022 count
Owner
State
State Highway Agency

About this bridge

Sth 50 EB over Des Plaines River is a prestressed concrete continuous stringer/multi-beam or girder carrying Sth 50 EB over Des Plaines River in Kenosha County, Wisconsin. It was built in 1989, so it is 36 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 17,000 vehicles a day, roughly 8% of them trucks, projected to reach 28,240 by 2041. The structure is 136 ft (41.4 m) long and 43 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesSth 50 EB
CrossesDes Plaines River
Location1.4M E JCT Ush 45
RouteState Highway 50
Coordinates42.56798, -88.01949
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2022
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 rating54 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.4 m)
Longest span45 ft (13.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,000 (2022)
Projected traffic28,240 by 2041
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemYes

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 Sth 50 EB over Des Plaines River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Sth 50 EB 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 September 2022.

How much traffic does Sth 50 EB over Des Plaines River carry?

About 17,000 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Sth 50 EB over Des Plaines River?

The structure is 136 ft (41.4 m) long with a longest span of 45 ft (13.8 m) and a deck 43 ft wide.

Who owns Sth 50 EB over Des Plaines River?

It is owned by the State Highway Agency.