FAS 1901 over Crab Orchard Spilway
FairWilliamson County, Illinois · 4 Mi.Sw Carterville · Structure no. 100308800000000
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 171 ft
- 3 main spans
- Daily traffic
- 1,300
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FAS 1901 over Crab Orchard Spilway is a prestressed concrete box beam or girders - multiple carrying FAS 1901 over Crab Orchard Spilway in Williamson County, Illinois. It was built in 1976, so it is 49 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 1,300 vehicles a day, roughly 8% of them trucks, projected to reach 1,313 by 2046. The structure is 171 ft (52.2 m) long and 33 ft wide. If it were closed, the detour would be 9.9 mi (16 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 1901 over Crab Orchard Spilway built?
It was built in 1976, making it 49 years old in 2025.
What condition is FAS 1901 over Crab Orchard Spilway 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 February 2024.
How much traffic does FAS 1901 over Crab Orchard Spilway carry?
About 1,300 vehicles per day (2021 count), of which roughly 8% are trucks.
How long is FAS 1901 over Crab Orchard Spilway?
The structure is 171 ft (52.2 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.
Who owns FAS 1901 over Crab Orchard Spilway?
It is owned by the County Highway Agency.