Ill 108 over Cottonwood Creek
FairMacoupin County, Illinois · 5.0MI E Il 4 · Structure no. 059200800000000
- Built
- 1932
- 93 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 31 ft
- 2 main spans
- Daily traffic
- 1,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 108 over Cottonwood Creek is a concrete continuous culvert carrying Ill 108 over Cottonwood Creek in Macoupin County, Illinois. It was built in 1932, so it is 93 years old, older 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 6 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 1,600 vehicles a day, roughly 14% of them trucks, projected to reach 1,919 by 2046. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 16.2 mi (26 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 108 over Cottonwood Creek built?
It was built in 1932, making it 93 years old in 2025.
What condition is Ill 108 over Cottonwood 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 November 2023.
How much traffic does Ill 108 over Cottonwood Creek carry?
About 1,600 vehicles per day (2023 count), of which roughly 14% are trucks.
How long is Ill 108 over Cottonwood Creek?
The structure is 31 ft (9.6 m) long with a longest span of 14 ft (4.3 m).
Who owns Ill 108 over Cottonwood Creek?
It is owned by the State Highway Agency.