US Bridges

EB IL390 to NBI290 over I-290

Good

DuPage County, Illinois · 250 S of Thorndale · Structure no. 022056600000000

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
311 ft
2 main spans
Daily traffic
4,500
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

EB IL390 to NBI290 over I-290 is a prestressed concrete stringer/multi-beam or girder carrying EB IL390 to NBI290 over I-290 in DuPage County, Illinois. It was built in 2016, so it is 9 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 4,500 vehicles a day, roughly 5% of them trucks, projected to reach 8,282 by 2046. The structure is 311 ft (94.8 m) long and 40 ft wide.

CarriesEB IL390 to NBI290
CrossesI-290
Location250 S of Thorndale
Coordinates41.98495, -88.02395
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length311 ft (94.8 m)
Longest span154 ft (47 m)
Deck width40 ft (12.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic8,282 by 2046
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes

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 EB IL390 to NBI290 over I-290 built?

It was built in 2016, making it 9 years old in 2025.

What condition is EB IL390 to NBI290 over I-290 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 2024.

How much traffic does EB IL390 to NBI290 over I-290 carry?

About 4,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is EB IL390 to NBI290 over I-290?

The structure is 311 ft (94.8 m) long with a longest span of 154 ft (47 m) and a deck 40 ft wide.

Who owns EB IL390 to NBI290 over I-290?

It is owned by the State Toll Authority.