State ST over I- 55 Stevenson
FairCook County, Illinois · 0.9 M E I-94 · Structure no. 016109200000000
- Built
- 1965
- 60 years old, rebuilt 2002
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 180 ft
- 2 main spans
- Daily traffic
- 7,900
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
State ST over I- 55 Stevenson is a steel continuous stringer/multi-beam or girder carrying State ST over I- 55 Stevenson in Cook County, Illinois. It was built in 1965 and reconstructed in 2002, so it is 60 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 7,900 vehicles a day, roughly 6% of them trucks, projected to reach 14,443 by 2046. The structure is 180 ft (55 m) long and 105 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was State ST over I- 55 Stevenson built?
It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2002.
What condition is State ST 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 December 2024.
How much traffic does State ST over I- 55 Stevenson carry?
About 7,900 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is State ST over I- 55 Stevenson?
The structure is 180 ft (55 m) long with a longest span of 87 ft (26.6 m) and a deck 105 ft wide.
Who owns State ST over I- 55 Stevenson?
It is owned by the State Highway Agency.