US 24 over Rock Creek
FairAdams County, Illinois · 0.2MI W I-172/US 24 · Structure no. 001200400000000
- Built
- 1971
- 54 years old, rebuilt 1975
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Concrete
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 4,350
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 24 over Rock Creek is a concrete culvert carrying US 24 over Rock Creek in Adams County, Illinois. It was built in 1971 and reconstructed in 1975, so it is 54 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 4,350 vehicles a day, roughly 12% of them trucks, projected to reach 4,646 by 2046. The structure is 25 ft (7.5 m) long.
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 US 24 over Rock Creek built?
It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1975.
What condition is US 24 over Rock 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 US 24 over Rock Creek carry?
About 4,350 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is US 24 over Rock Creek?
The structure is 25 ft (7.5 m) long with a longest span of 10 ft (3.2 m).
Who owns US 24 over Rock Creek?
It is owned by the State Highway Agency.