FAS 321 CH4 Sa 4 over Drainage Ditch
FairIroquois County, Illinois · 3.08 MI W of I-57 · Structure no. 038018300000000
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected September 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 325
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FAS 321 CH4 Sa 4 over Drainage Ditch is a prestressed concrete box beam or girders - multiple carrying FAS 321 CH4 Sa 4 over Drainage Ditch in Iroquois County, Illinois. It was built in 1986, so it is 39 years old, younger 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 325 vehicles a day, roughly 6% of them trucks, projected to reach 303 by 2046. The structure is 80 ft (24.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 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 321 CH4 Sa 4 over Drainage Ditch built?
It was built in 1986, making it 39 years old in 2025.
What condition is FAS 321 CH4 Sa 4 over Drainage Ditch 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 September 2023.
How much traffic does FAS 321 CH4 Sa 4 over Drainage Ditch carry?
About 325 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is FAS 321 CH4 Sa 4 over Drainage Ditch?
The structure is 80 ft (24.4 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.
Who owns FAS 321 CH4 Sa 4 over Drainage Ditch?
It is owned by the County Highway Agency.