US Bridges

I-290 SB over Il 64

Fair

DuPage County, Illinois · 2.9 M NW I-88 · Structure no. 022000700000000

Built
1960
65 years old, rebuilt 1985
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
225 ft
3 main spans
Daily traffic
53,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-290 SB over Il 64 is a steel continuous stringer/multi-beam or girder carrying I-290 SB over Il 64 in DuPage County, Illinois. It was built in 1960 and reconstructed in 1985, so it is 65 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 53,200 vehicles a day, roughly 23% of them trucks, projected to reach 54,338 by 2046. The structure is 225 ft (68.6 m) long and 60 ft wide.

Location

Open in Google Maps
CarriesI-290 SB
CrossesIl 64
Location2.9 M NW I-88
RouteInterstate 290
CountyDuPage County
StateIllinois
Coordinates41.90666, -87.924
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length225 ft (68.6 m)
Longest span93 ft (28.3 m)
Deck width60 ft (18.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,200 (2024)
Projected traffic54,338 by 2046
Trucks23%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-290 SB over Il 64 built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is I-290 SB over Il 64 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does I-290 SB over Il 64 carry?

About 53,200 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is I-290 SB over Il 64?

The structure is 225 ft (68.6 m) long with a longest span of 93 ft (28.3 m) and a deck 60 ft wide.

Who owns I-290 SB over Il 64?

It is owned by the State Highway Agency.