US Bridges

Foster Ave over I- 90 Jfk & Cta

Poor

Cook County, Illinois · 1.5 M NW Il 50 · Structure no. 016110000000000

Built
1958
67 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
387 ft
4 main spans
Daily traffic
19,300
2022 count
Owner
State
State Highway Agency

About this bridge

Foster Ave over I- 90 Jfk & Cta is a steel stringer/multi-beam or girder carrying Foster Ave over I- 90 Jfk & Cta 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 19,300 vehicles a day, roughly 4% of them trucks, projected to reach 30,603 by 2046. The structure is 387 ft (117.9 m) long and 83 ft wide.

CarriesFoster Ave
CrossesI- 90 Jfk & Cta
Location1.5 M NW Il 50
Coordinates41.97566, -87.77223
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74 US tons
Inventory rating57.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length387 ft (117.9 m)
Longest span128 ft (39 m)
Deck width83 ft (25.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,300 (2022)
Projected traffic30,603 by 2046
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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$5.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Foster Ave over I- 90 Jfk & Cta built?

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

What condition is Foster Ave over I- 90 Jfk & Cta in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Foster Ave over I- 90 Jfk & Cta carry?

About 19,300 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Foster Ave over I- 90 Jfk & Cta?

The structure is 387 ft (117.9 m) long with a longest span of 128 ft (39 m) and a deck 83 ft wide.

Who owns Foster Ave over I- 90 Jfk & Cta?

It is owned by the State Highway Agency.