FAI 64 over Rayhill Slough
GoodSt. Clair County, Illinois · 0.74 W Clinton CO · Structure no. 082201400000000
- Built
- 1971
- 54 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 31,000
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
FAI 64 over Rayhill Slough is a concrete continuous culvert carrying FAI 64 over Rayhill Slough in St. Clair County, Illinois. It was built in 1971, 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 31,000 vehicles a day, roughly 31% of them trucks, projected to reach 31,613 by 2046. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAI 64 over Rayhill Slough built?
It was built in 1971, making it 54 years old in 2025.
What condition is FAI 64 over Rayhill Slough in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.
How much traffic does FAI 64 over Rayhill Slough carry?
About 31,000 vehicles per day (2023 count), of which roughly 31% are trucks.
How long is FAI 64 over Rayhill Slough?
The structure is 27 ft (8.3 m) long with a longest span of 12 ft (3.7 m).
Who owns FAI 64 over Rayhill Slough?
It is owned by the State Highway Agency.