Concordia Ch Rd/Ch over Prairie Du Pont CR
PoorSt. Clair County, Illinois · 0.50MI E Ill 163 · Structure no. 082301600000000
- Built
- 1958
- 67 years old
- Condition
- Poor
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 58 ft
- 1 main span
- Daily traffic
- 800
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Concordia Ch Rd/Ch over Prairie Du Pont CR is a steel stringer/multi-beam or girder carrying Concordia Ch Rd/Ch over Prairie Du Pont CR in St. Clair County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.
It carries about 800 vehicles a day, roughly 8% of them trucks, projected to reach 1,566 by 2046. The structure is 58 ft (17.7 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Concordia Ch Rd/Ch over Prairie Du Pont CR built?
It was built in 1958, making it 67 years old in 2025.
What condition is Concordia Ch Rd/Ch over Prairie Du Pont CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.
How much traffic does Concordia Ch Rd/Ch over Prairie Du Pont CR carry?
About 800 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is Concordia Ch Rd/Ch over Prairie Du Pont CR?
The structure is 58 ft (17.7 m) long with a longest span of 54 ft (16.5 m) and a deck 36 ft wide.
Who owns Concordia Ch Rd/Ch over Prairie Du Pont CR?
It is owned by the County Highway Agency.