I- 55 EB Elevated over S Br Chicago River
FairCook County, Illinois · 1.1 M SW I-94 · Structure no. 016108600000000
- Built
- 1963
- 62 years old, rebuilt 1998
- Condition
- Fair
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 387 ft
- 4 main spans
- Daily traffic
- 75,500
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I- 55 EB Elevated over S Br Chicago River is a steel continuous stringer/multi-beam or girder carrying I- 55 EB Elevated over S Br Chicago River in Cook County, Illinois. It was built in 1963 and reconstructed in 1998, so it is 62 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 75,500 vehicles a day, roughly 8% of them trucks, projected to reach 74,690 by 2046. The structure is 387 ft (118 m) long and 72 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I- 55 EB Elevated over S Br Chicago River built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1998.
What condition is I- 55 EB Elevated over S Br Chicago River 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 August 2023.
How much traffic does I- 55 EB Elevated over S Br Chicago River carry?
About 75,500 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is I- 55 EB Elevated over S Br Chicago River?
The structure is 387 ft (118 m) long with a longest span of 106 ft (32.4 m) and a deck 72 ft wide.
Who owns I- 55 EB Elevated over S Br Chicago River?
It is owned by the State Highway Agency.