US Bridges

I-90 WB Jayne Adam over Mt. Prospect Road

Good

Cook County, Illinois · 2 MI E. Ill RTE 83 · Structure no. 016960600000000

Built
2015
10 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
103 ft
1 main span
Daily traffic
163,300
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 WB Jayne Adam over Mt. Prospect Road is a prestressed concrete stringer/multi-beam or girder carrying I-90 WB Jayne Adam over Mt. Prospect Road in Cook County, Illinois. It was built in 2015, so it is 10 years old, younger 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 163,300 vehicles a day, roughly 7% of them trucks, projected to reach 132,108 by 2046. The structure is 103 ft (31.5 m) long and 120 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-90 WB Jayne Adam
CrossesMt. Prospect Road
Location2 MI E. Ill RTE 83
RouteInterstate 90
CountyCook County
StateIllinois
Coordinates42.01331, -87.92097
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJuly 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 rating83.2 US tons
Inventory rating64.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length103 ft (31.5 m)
Longest span101 ft (30.8 m)
Deck width120 ft (36.5 m)
Roadway width115 ft (35.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163,300 (2023)
Projected traffic132,108 by 2046
Trucks7%
Lanes on structure5
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-90 WB Jayne Adam over Mt. Prospect Road built?

It was built in 2015, making it 10 years old in 2025.

What condition is I-90 WB Jayne Adam over Mt. Prospect Road 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 July 2023.

How much traffic does I-90 WB Jayne Adam over Mt. Prospect Road carry?

About 163,300 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-90 WB Jayne Adam over Mt. Prospect Road?

The structure is 103 ft (31.5 m) long with a longest span of 101 ft (30.8 m) and a deck 120 ft wide.

Who owns I-90 WB Jayne Adam over Mt. Prospect Road?

It is owned by the State Toll Authority.