S First St-Dekalb over I-88
GoodDeKalb County, Illinois · S Edge Dekalb · Structure no. 019991000000000
- Built
- 1974
- 51 years old
- Condition
- Good
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 255 ft
- 4 main spans
- Daily traffic
- 2,200
- 2021 count
- Owner
- Toll Authority
- State Toll Authority
About this bridge
S First St-Dekalb over I-88 is a prestressed concrete stringer/multi-beam or girder carrying S First St-Dekalb over I-88 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 2,200 vehicles a day, roughly 13% of them trucks, projected to reach 2,464 by 2046. The structure is 255 ft (77.7 m) long and 34 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 S First St-Dekalb over I-88 built?
It was built in 1974, making it 51 years old in 2025.
What condition is S First St-Dekalb over I-88 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 S First St-Dekalb over I-88 carry?
About 2,200 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is S First St-Dekalb over I-88?
The structure is 255 ft (77.7 m) long with a longest span of 91 ft (27.7 m) and a deck 34 ft wide.
Who owns S First St-Dekalb over I-88?
It is owned by the State Toll Authority.