Il 83 SB over I- 55
GoodDuPage County, Illinois · 1.2 MI NW Cook CO · Structure no. 022005000000000
- Built
- 1959
- 66 years old, rebuilt 2001
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 343 ft
- 4 main spans
- Daily traffic
- 55,500
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Il 83 SB over I- 55 is a steel continuous stringer/multi-beam or girder carrying Il 83 SB over I- 55 in DuPage County, Illinois. It was built in 1959 and reconstructed in 2001, so it is 66 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 55,500 vehicles a day, roughly 5% of them trucks, projected to reach 22,422 by 2046. The structure is 343 ft (104.4 m) long and 61 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 Il 83 SB over I- 55 built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2001.
What condition is Il 83 SB over I- 55 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 October 2024.
How much traffic does Il 83 SB over I- 55 carry?
About 55,500 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Il 83 SB over I- 55?
The structure is 343 ft (104.4 m) long with a longest span of 92 ft (28.1 m) and a deck 61 ft wide.
Who owns Il 83 SB over I- 55?
It is owned by the State Highway Agency.