US Bridges

I- 94 NB to I-55 W over I- 55 Stevenson

Fair

Cook County, Illinois · 0.1 M W I-94 · Structure no. 016114000000000

Built
1964
61 years old, rebuilt 1989
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
744 ft
8 main spans
Daily traffic
24,900
2024 count
Owner
State
State Highway Agency

About this bridge

I- 94 NB to I-55 W over I- 55 Stevenson is a steel continuous stringer/multi-beam or girder carrying I- 94 NB to I-55 W over I- 55 Stevenson in Cook County, Illinois. It was built in 1964 and reconstructed in 1989, 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 6 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 24,900 vehicles a day, roughly 3% of them trucks, projected to reach 19,897 by 2046. The structure is 744 ft (226.8 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI- 94 NB to I-55 W
CrossesI- 55 Stevenson
Location0.1 M W I-94
CountyCook County
StateIllinois
Coordinates41.84652, -87.63863
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length744 ft (226.8 m)
Longest span119 ft (36.2 m)
Deck width30 ft (9.1 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,900 (2024)
Projected traffic19,897 by 2046
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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- 94 NB to I-55 W over I- 55 Stevenson built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1989.

What condition is I- 94 NB to I-55 W 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 May 2023.

How much traffic does I- 94 NB to I-55 W over I- 55 Stevenson carry?

About 24,900 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is I- 94 NB to I-55 W over I- 55 Stevenson?

The structure is 744 ft (226.8 m) long with a longest span of 119 ft (36.2 m) and a deck 30 ft wide.

Who owns I- 94 NB to I-55 W over I- 55 Stevenson?

It is owned by the State Highway Agency.