Ill 108 over Drainage Ditch
FairMacoupin County, Illinois · 0.1MI E Il 4 · Structure no. 059200400000000
- Built
- 1933
- 92 years old
- Condition
- Fair
- inspected April 2023
- Type
- Culvert
- Concrete
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 6,950
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 108 over Drainage Ditch is a concrete culvert carrying Ill 108 over Drainage Ditch in Macoupin County, Illinois. It was built in 1933, so it is 92 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 6,950 vehicles a day, roughly 5% of them trucks, projected to reach 3,182 by 2046. The structure is 29 ft (8.7 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Drainage Ditch built?
It was built in 1933, making it 92 years old in 2025.
What condition is Ill 108 over Drainage Ditch 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 April 2023.
How much traffic does Ill 108 over Drainage Ditch carry?
About 6,950 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is Ill 108 over Drainage Ditch?
The structure is 29 ft (8.7 m) long with a longest span of 13 ft (3.9 m).
Who owns Ill 108 over Drainage Ditch?
It is owned by the State Highway Agency.