I-88 WB over S Br Kishwaukee Riv.
GoodDeKalb County, Illinois · W Edge of Dekalb · Structure no. 019990900000000
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 122 ft
- 3 main spans
- Daily traffic
- 12,450
- 2023 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
I-88 WB over S Br Kishwaukee Riv. is a prestressed concrete continuous stringer/multi-beam or girder carrying I-88 WB over S Br Kishwaukee Riv. in DeKalb County, Illinois. It was built in 1974, so it is 51 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 12,450 vehicles a day, roughly 27% of them trucks, projected to reach 10,136 by 2046. The structure is 122 ft (37.2 m) long and 47 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-88 WB over S Br Kishwaukee Riv. built?
It was built in 1974, making it 51 years old in 2025.
What condition is I-88 WB over S Br Kishwaukee Riv. 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 2024.
How much traffic does I-88 WB over S Br Kishwaukee Riv. carry?
About 12,450 vehicles per day (2023 count), of which roughly 27% are trucks.
How long is I-88 WB over S Br Kishwaukee Riv.?
The structure is 122 ft (37.2 m) long with a longest span of 39 ft (11.9 m) and a deck 47 ft wide.
Who owns I-88 WB over S Br Kishwaukee Riv.?
It is owned by the State Toll Authority.