To I-90 Skyway WB over State ST
GoodCook County, Illinois · At 66th P7C · Structure no. 016641100000000
- Built
- 1961
- 64 years old, rebuilt 2005
- Condition
- Good
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 224 ft
- 2 main spans
- Daily traffic
- 18,350
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
To I-90 Skyway WB over State ST is a steel continuous stringer/multi-beam or girder carrying To I-90 Skyway WB over State ST in Cook County, Illinois. It was built in 1961 and reconstructed in 2005, so it is 64 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 18,350 vehicles a day, roughly 12% of them trucks, projected to reach 18,534 by 2046. The structure is 224 ft (68.2 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
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 To I-90 Skyway WB over State ST built?
It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2005.
What condition is To I-90 Skyway WB over State ST 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 2023.
How much traffic does To I-90 Skyway WB over State ST carry?
About 18,350 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is To I-90 Skyway WB over State ST?
The structure is 224 ft (68.2 m) long with a longest span of 132 ft (40.2 m) and a deck 47 ft wide.
Who owns To I-90 Skyway WB over State ST?
It is owned by the City or Municipal Highway Agency.