I- 55 WB Stevenson over RR - BNSF
PoorCook County, Illinois · 0.3 M E US 45 · Structure no. 016000500000000
- Built
- 1964
- 61 years old, rebuilt 2000
- Condition
- Poor
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 427 ft
- 4 main spans
- Daily traffic
- 62,350
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
I- 55 WB Stevenson over RR - BNSF is a steel continuous stringer/multi-beam or girder carrying I- 55 WB Stevenson over RR - BNSF in Cook County, Illinois. It was built in 1964 and reconstructed in 2000, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 62,350 vehicles a day, roughly 11% of them trucks, projected to reach 59,742 by 2046. The structure is 427 ft (130.3 m) long and 100 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I- 55 WB Stevenson over RR - BNSF built?
It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2000.
What condition is I- 55 WB Stevenson over RR - BNSF in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.
How much traffic does I- 55 WB Stevenson over RR - BNSF carry?
About 62,350 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is I- 55 WB Stevenson over RR - BNSF?
The structure is 427 ft (130.3 m) long with a longest span of 117 ft (35.7 m) and a deck 100 ft wide.
Who owns I- 55 WB Stevenson over RR - BNSF?
It is owned by the State Highway Agency.