US Bridges

I- 90 94 Elev Loca over Stewart ST to 29 ST

Fair

Cook County, Illinois · 0.6 M S I-55 · Structure no. 016106700000000

Built
1962
63 years old, rebuilt 1988
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,234 ft
17 main spans
Daily traffic
122,750
2024 count
Owner
State
State Highway Agency

About this bridge

I- 90 94 Elev Loca over Stewart ST to 29 ST is a steel continuous stringer/multi-beam or girder carrying I- 90 94 Elev Loca over Stewart ST to 29 ST in Cook County, Illinois. It was built in 1962 and reconstructed in 1988, so it is 63 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 122,750 vehicles a day, roughly 11% of them trucks, projected to reach 120,190 by 2046. The structure is 1,234 ft (376.1 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI- 90 94 Elev Loca
CrossesStewart ST to 29 ST
Location0.6 M S I-55
RouteInterstate 90
Coordinates41.84576, -87.63654
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.
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 inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans17
Design loadHS 20
Structure length1,234 ft (376.1 m)
Longest span112 ft (34 m)
Deck width48 ft (14.6 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122,750 (2024)
Projected traffic120,190 by 2046
Trucks11%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.1 mi (5 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$12 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I- 90 94 Elev Loca over Stewart ST to 29 ST built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1988.

What condition is I- 90 94 Elev Loca over Stewart ST to 29 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 June 2023.

How much traffic does I- 90 94 Elev Loca over Stewart ST to 29 ST carry?

About 122,750 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I- 90 94 Elev Loca over Stewart ST to 29 ST?

The structure is 1,234 ft (376.1 m) long with a longest span of 112 ft (34 m) and a deck 48 ft wide.

Who owns I- 90 94 Elev Loca over Stewart ST to 29 ST?

It is owned by the State Highway Agency.