Jackson Street over Unnamed Creek
GoodJackson County, Illinois · Jackson ST in Dowell · Structure no. 039600500000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected December 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 125
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Jackson Street over Unnamed Creek is a prestressed concrete box beam or girders - multiple carrying Jackson Street over Unnamed Creek in Jackson County, Illinois. It was built in 1989, so it is 36 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 125 vehicles a day, roughly 18% of them trucks, projected to reach 76 by 2046. The structure is 52 ft (15.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Jackson Street over Unnamed Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Jackson Street over Unnamed 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 December 2021.
How much traffic does Jackson Street over Unnamed Creek carry?
About 125 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Jackson Street over Unnamed Creek?
The structure is 52 ft (15.7 m) long with a longest span of 49 ft (14.9 m) and a deck 24 ft wide.
Who owns Jackson Street over Unnamed Creek?
It is owned by the City or Municipal Highway Agency.