SB IL394 Ramp over Thorn Creek
GoodCook County, Illinois · SB 394 to WB 294/I80 · Structure no. 016284500000000
- Built
- 2007
- 18 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 181 ft
- 2 main spans
- Daily traffic
- 8,300
- 2024 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
SB IL394 Ramp over Thorn Creek is a steel continuous stringer/multi-beam or girder carrying SB IL394 Ramp over Thorn Creek in Cook County, Illinois. It was built in 2007, so it is 18 years old, younger 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 8,300 vehicles a day, roughly 43% of them trucks, projected to reach 12,949 by 2046. The structure is 181 ft (55.1 m) long and 35 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SB IL394 Ramp over Thorn Creek built?
It was built in 2007, making it 18 years old in 2025.
What condition is SB IL394 Ramp over Thorn Creek 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 April 2024.
How much traffic does SB IL394 Ramp over Thorn Creek carry?
About 8,300 vehicles per day (2024 count), of which roughly 43% are trucks.
How long is SB IL394 Ramp over Thorn Creek?
The structure is 181 ft (55.1 m) long with a longest span of 91 ft (27.8 m) and a deck 35 ft wide.
Who owns SB IL394 Ramp over Thorn Creek?
It is owned by the State Toll Authority.