FAS 921 over Big Muddy River
FairJackson County, Illinois · 0.9MI E of Desoto Cl · Structure no. 039313700000000
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 391 ft
- 5 main spans
- Daily traffic
- 450
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
FAS 921 over Big Muddy River is a steel continuous stringer/multi-beam or girder carrying FAS 921 over Big Muddy River in Jackson County, Illinois. It was built in 1980, so it is 45 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 450 vehicles a day, roughly 22% of them trucks, projected to reach 455 by 2046. The structure is 391 ft (119.2 m) long and 26 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS 921 over Big Muddy River built?
It was built in 1980, making it 45 years old in 2025.
What condition is FAS 921 over Big Muddy River 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 March 2024.
How much traffic does FAS 921 over Big Muddy River carry?
About 450 vehicles per day (2022 count), of which roughly 22% are trucks.
How long is FAS 921 over Big Muddy River?
The structure is 391 ft (119.2 m) long with a longest span of 90 ft (27.4 m) and a deck 26 ft wide.
Who owns FAS 921 over Big Muddy River?
It is owned by the Town or Township Highway Agency.