Ch 23 over Macoupin Creek
FairMacoupin County, Illinois · 2MI SW Chesterfield · Structure no. 059333200000000
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 280 ft
- 5 main spans
- Daily traffic
- 50
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 23 over Macoupin Creek is a steel continuous stringer/multi-beam or girder carrying Ch 23 over Macoupin Creek in Macoupin County, Illinois. It was built in 1990, so it is 35 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 51 by 2046. The structure is 280 ft (85.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 23 over Macoupin Creek built?
It was built in 1990, making it 35 years old in 2025.
What condition is Ch 23 over Macoupin Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2023.
How much traffic does Ch 23 over Macoupin Creek carry?
About 50 vehicles per day (2021 count), of which roughly 2% are trucks.
How long is Ch 23 over Macoupin Creek?
The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.
Who owns Ch 23 over Macoupin Creek?
It is owned by the County Highway Agency.