Ch 4 over Jordan Slough
GoodDouglas County, Illinois · 1.35 MI S Longview · Structure no. 021431500000000
- Built
- 1978
- 47 years old
- Condition
- Good
- inspected January 2022
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 92 ft
- 2 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 4 over Jordan Slough is a prestressed concrete box beam or girders - multiple carrying Ch 4 over Jordan Slough in Douglas County, Illinois. It was built in 1978, so it is 47 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 50 vehicles a day, roughly 56% of them trucks, projected to reach 152 by 2046. The structure is 92 ft (28 m) long and 28 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 4 over Jordan Slough built?
It was built in 1978, making it 47 years old in 2025.
What condition is Ch 4 over Jordan Slough 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 January 2022.
How much traffic does Ch 4 over Jordan Slough carry?
About 50 vehicles per day (2022 count), of which roughly 56% are trucks.
How long is Ch 4 over Jordan Slough?
The structure is 92 ft (28 m) long with a longest span of 45 ft (13.7 m) and a deck 28 ft wide.
Who owns Ch 4 over Jordan Slough?
It is owned by the County Highway Agency.