I- 55 WB Stevenson over California Ave
GoodCook County, Illinois · 3 M SW Dan Ryan · Structure no. 016002500000000
- Built
- 1963
- 62 years old, rebuilt 2000
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 191 ft
- 3 main spans
- Daily traffic
- 78,300
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I- 55 WB Stevenson over California Ave is a steel continuous stringer/multi-beam or girder carrying I- 55 WB Stevenson over California Ave in Cook County, Illinois. It was built in 1963 and reconstructed in 2000, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 78,300 vehicles a day, roughly 8% of them trucks, projected to reach 73,124 by 2046. The structure is 191 ft (58.2 m) long and 70 ft wide.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I- 55 WB Stevenson over California Ave built?
It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2000.
What condition is I- 55 WB Stevenson over California Ave in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.
How much traffic does I- 55 WB Stevenson over California Ave carry?
About 78,300 vehicles per day (2024 count), of which roughly 8% are trucks.
How long is I- 55 WB Stevenson over California Ave?
The structure is 191 ft (58.2 m) long with a longest span of 100 ft (30.6 m) and a deck 70 ft wide.
Who owns I- 55 WB Stevenson over California Ave?
It is owned by the State Highway Agency.