US Bridges

Western Ave over I-290 - Il 110 & Cta

Fair

Cook County, Illinois · 0.7 M W US 34 · Structure no. 016208300000000

Built
1953
72 years old
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
241 ft
3 main spans
Daily traffic
19,300
2018 count
Owner
State
State Highway Agency

About this bridge

Western Ave over I-290 - Il 110 & Cta is a steel continuous stringer/multi-beam or girder carrying Western Ave over I-290 - Il 110 & Cta in Cook County, Illinois. It was built in 1953, so it is 72 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 19,300 vehicles a day, roughly 9% of them trucks, projected to reach 19,493 by 2046. The structure is 241 ft (73.5 m) long and 131 ft wide.

Location

Open in Google Maps
CarriesWestern Ave
CrossesI-290 - Il 110 & Cta
Location0.7 M W US 34
CountyCook County
StateIllinois
Coordinates41.87594, -87.68636
Functional classUrban Other Principal Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating65 US tons
Inventory rating34.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length241 ft (73.5 m)
Longest span94 ft (28.7 m)
Deck width131 ft (39.9 m)
Roadway width112 ft (34.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,300 (2018)
Projected traffic19,493 by 2046
Trucks9%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
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 Western Ave over I-290 - Il 110 & Cta built?

It was built in 1953, making it 72 years old in 2025.

What condition is Western Ave over I-290 - Il 110 & Cta 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 Western Ave over I-290 - Il 110 & Cta carry?

About 19,300 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Western Ave over I-290 - Il 110 & Cta?

The structure is 241 ft (73.5 m) long with a longest span of 94 ft (28.7 m) and a deck 131 ft wide.

Who owns Western Ave over I-290 - Il 110 & Cta?

It is owned by the State Highway Agency.