US Bridges

Oak Park Ave over I-290 & Il 110/CTA/RR

Fair

Cook County, Illinois · 2.5 M W Il 50 · Structure no. 016212300000000

Built
1958
67 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
238 ft
4 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

Oak Park Ave over I-290 & Il 110/CTA/RR is a steel continuous stringer/multi-beam or girder carrying Oak Park Ave over I-290 & Il 110/CTA/RR 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 fair condition with a lowest component rating of 5 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 8,000 vehicles a day, roughly 3% of them trucks, projected to reach 7,474 by 2046. The structure is 238 ft (72.5 m) long and 60 ft wide.

Location

Open in Google Maps
CarriesOak Park Ave
CrossesI-290 & Il 110/CTA/RR
Location2.5 M W Il 50
CountyCook County
StateIllinois
Coordinates41.87248, -87.79399
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length238 ft (72.5 m)
Longest span65 ft (19.8 m)
Deck width60 ft (18.3 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic7,474 by 2046
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Oak Park Ave over I-290 & Il 110/CTA/RR built?

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

What condition is Oak Park Ave over I-290 & Il 110/CTA/RR 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 February 2025.

How much traffic does Oak Park Ave over I-290 & Il 110/CTA/RR carry?

About 8,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Oak Park Ave over I-290 & Il 110/CTA/RR?

The structure is 238 ft (72.5 m) long with a longest span of 65 ft (19.8 m) and a deck 60 ft wide.

Who owns Oak Park Ave over I-290 & Il 110/CTA/RR?

It is owned by the State Highway Agency.