High Prairie Sch R over Douglas Creek
GoodSt. Clair County, Illinois · 1.2 Mile N Ch 47 · Structure no. 082414100000000
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected February 2021
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 100 ft
- 3 main spans
- Daily traffic
- 200
- 2023 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
High Prairie Sch R over Douglas Creek is a prestressed concrete box beam or girders - multiple carrying High Prairie Sch R over Douglas Creek in St. Clair County, Illinois. It was built in 1999, so it is 26 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 200 vehicles a day, roughly 20% of them trucks, projected to reach 177 by 2046. The structure is 100 ft (30.4 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was High Prairie Sch R over Douglas Creek built?
It was built in 1999, making it 26 years old in 2025.
What condition is High Prairie Sch R over Douglas 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 February 2021.
How much traffic does High Prairie Sch R over Douglas Creek carry?
About 200 vehicles per day (2023 count), of which roughly 20% are trucks.
How long is High Prairie Sch R over Douglas Creek?
The structure is 100 ft (30.4 m) long with a longest span of 39 ft (12 m) and a deck 24 ft wide.
Who owns High Prairie Sch R over Douglas Creek?
It is owned by the Town or Township Highway Agency.