US Bridges

I-294 SB over 87th ST

Fair

Cook County, Illinois · 1.2 M N US 20 P10 · Structure no. 016982600000000

Built
1958
67 years old
Condition
Fair
inspected May 2022
Type
Other
Other
Length
213 ft
2 main spans
Daily traffic
80,400
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-294 SB over 87th ST is a other other carrying I-294 SB over 87th ST 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 80,400 vehicles a day, roughly 19% of them trucks, projected to reach 68,731 by 2046. The structure is 213 ft (65 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-294 SB
Crosses87th ST
Location1.2 M N US 20 P10
RouteInterstate 294
CountyCook County
StateIllinois
Coordinates41.73324, -87.81839
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
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 rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeOther
MaterialOther
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadUnknown
Structure length213 ft (65 m)
Longest span96 ft (29.4 m)
Deck width52 ft (16 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80,400 (2023)
Projected traffic68,731 by 2046
Trucks19%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-294 SB over 87th ST built?

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

What condition is I-294 SB over 87th ST 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 May 2022.

How much traffic does I-294 SB over 87th ST carry?

About 80,400 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I-294 SB over 87th ST?

The structure is 213 ft (65 m) long with a longest span of 96 ft (29.4 m) and a deck 52 ft wide.

Who owns I-294 SB over 87th ST?

It is owned by the State Toll Authority.