FAS 861 over Riley Creek
FairRandolph County, Illinois · 0.5NW Ft Kas. St. Pk · Structure no. 079306200000000
- Built
- 1893
- 132 years old, rebuilt 1979
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 75 ft
- 1 main span
- Daily traffic
- 150
- 2024 count
- Owner
- County
- County Highway Agency
About this bridge
FAS 861 over Riley Creek is a prestressed concrete box beam or girders - multiple carrying FAS 861 over Riley Creek in Randolph County, Illinois. It was built in 1893 and reconstructed in 1979, so it is 132 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 150 vehicles a day, roughly 11% of them trucks, projected to reach 202 by 2046. The structure is 75 ft (22.9 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS 861 over Riley Creek built?
It was built in 1893, making it 132 years old in 2025. It was reconstructed in 1979.
What condition is FAS 861 over Riley 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 December 2024.
How much traffic does FAS 861 over Riley Creek carry?
About 150 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is FAS 861 over Riley Creek?
The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 24 ft wide.
Who owns FAS 861 over Riley Creek?
It is owned by the County Highway Agency.