US Bridges

I- 90 94 SB 2 I-55 over I- 55 Stevenson

Fair

Cook County, Illinois · 0.1 M W I-94 · Structure no. 016105000000000

Built
1964
61 years old, rebuilt 1990
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,276 ft
16 main spans
Daily traffic
16,000
2024 count
Owner
State
State Highway Agency

About this bridge

I- 90 94 SB 2 I-55 over I- 55 Stevenson is a steel continuous stringer/multi-beam or girder carrying I- 90 94 SB 2 I-55 over I- 55 Stevenson in Cook County, Illinois. It was built in 1964 and reconstructed in 1990, so it is 61 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 16,000 vehicles a day, roughly 6% of them trucks, projected to reach 16,766 by 2046. The structure is 1,276 ft (388.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI- 90 94 SB 2 I-55
CrossesI- 55 Stevenson
Location0.1 M W I-94
CountyCook County
StateIllinois
Coordinates41.84886, -87.64417
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20 + Mod
Structure length1,276 ft (388.9 m)
Longest span96 ft (29.3 m)
Deck width32 ft (9.8 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2024)
Projected traffic16,766 by 2046
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed3.7 mi (6 km)
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 I- 90 94 SB 2 I-55 over I- 55 Stevenson built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1990.

What condition is I- 90 94 SB 2 I-55 over I- 55 Stevenson 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 SB 2 I-55 over I- 55 Stevenson carry?

About 16,000 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is I- 90 94 SB 2 I-55 over I- 55 Stevenson?

The structure is 1,276 ft (388.9 m) long with a longest span of 96 ft (29.3 m) and a deck 32 ft wide.

Who owns I- 90 94 SB 2 I-55 over I- 55 Stevenson?

It is owned by the State Highway Agency.