US Bridges

I-90 WB over Des Plaines River RD

Good

Cook County, Illinois · 0.40 MI E of I-294 · Structure no. 016996300000000

Built
1958
67 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
112 ft
2 main spans
Daily traffic
128,300
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB over Des Plaines River RD is a prestressed concrete stringer/multi-beam or girder carrying I-90 WB over Des Plaines River RD in Cook County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 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 128,300 vehicles a day, roughly 4% of them trucks, projected to reach 171,700 by 2046. The structure is 112 ft (34.1 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-90 WB
CrossesDes Plaines River RD
Location0.40 MI E of I-294
RouteInterstate 90
Coordinates41.98641, -87.86052
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.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating47.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length112 ft (34.1 m)
Longest span55 ft (16.8 m)
Deck width76 ft (23.3 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic128,300 (2023)
Projected traffic171,700 by 2046
Trucks4%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$645,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 WB over Des Plaines River RD built?

It was built in 1958, making it 67 years old in 2025.

What condition is I-90 WB over Des Plaines River RD 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 May 2023.

How much traffic does I-90 WB over Des Plaines River RD carry?

About 128,300 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is I-90 WB over Des Plaines River RD?

The structure is 112 ft (34.1 m) long with a longest span of 55 ft (16.8 m) and a deck 76 ft wide.

Who owns I-90 WB over Des Plaines River RD?

It is owned by the State Toll Authority.