Ill 111 over Otter Creek Overflow
FairMacoupin County, Illinois · 2.2 MI N Il 108 · Structure no. 059050000000000
- Built
- 2001
- 24 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 472 ft
- 6 main spans
- Daily traffic
- 1,050
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ill 111 over Otter Creek Overflow is a steel continuous stringer/multi-beam or girder carrying Ill 111 over Otter Creek Overflow in Macoupin County, Illinois. It was built in 2001, so it is 24 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 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 1,050 vehicles a day, roughly 10% of them trucks, projected to reach 1,111 by 2046. The structure is 472 ft (143.9 m) long and 35 ft wide. If it were closed, the detour would be 21.7 mi (35 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ill 111 over Otter Creek Overflow built?
It was built in 2001, making it 24 years old in 2025.
What condition is Ill 111 over Otter Creek Overflow 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 January 2025.
How much traffic does Ill 111 over Otter Creek Overflow carry?
About 1,050 vehicles per day (2023 count), of which roughly 10% are trucks.
How long is Ill 111 over Otter Creek Overflow?
The structure is 472 ft (143.9 m) long with a longest span of 83 ft (25.4 m) and a deck 35 ft wide.
Who owns Ill 111 over Otter Creek Overflow?
It is owned by the State Highway Agency.