Old US 36 over Plum Creek
FairScott County, Illinois · 1.5 MI W Riggston · Structure no. 086200100000000
- Built
- 1951
- 74 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 1,850
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
Old US 36 over Plum Creek is a concrete continuous culvert carrying Old US 36 over Plum Creek in Scott County, Illinois. It was built in 1951, so it is 74 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 1,850 vehicles a day, roughly 6% of them trucks, projected to reach 1,869 by 2046. The structure is 26 ft (8 m) long. If it were closed, the detour would be 6.8 mi (11 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 Old US 36 over Plum Creek built?
It was built in 1951, making it 74 years old in 2025.
What condition is Old US 36 over Plum 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 January 2025.
How much traffic does Old US 36 over Plum Creek carry?
About 1,850 vehicles per day (2020 count), of which roughly 6% are trucks.
How long is Old US 36 over Plum Creek?
The structure is 26 ft (8 m) long with a longest span of 12 ft (3.7 m).
Who owns Old US 36 over Plum Creek?
It is owned by the State Highway Agency.