FAS-799 over Big Muddy Creek
FairClay County, Illinois · 3 MI E Sailor Spring · Structure no. 013301000000000
- Built
- 1964
- 61 years old
- Condition
- Fair
- inspected February 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 164 ft
- 3 main spans
- Daily traffic
- 175
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FAS-799 over Big Muddy Creek is a prestressed concrete box beam or girders - multiple carrying FAS-799 over Big Muddy Creek in Clay County, Illinois. It was built in 1964, so it is 61 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 5 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 175 vehicles a day, roughly 12% of them trucks, projected to reach 177 by 2046. The structure is 164 ft (50 m) long and 28 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS-799 over Big Muddy Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is FAS-799 over Big Muddy 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 February 2024.
How much traffic does FAS-799 over Big Muddy Creek carry?
About 175 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is FAS-799 over Big Muddy Creek?
The structure is 164 ft (50 m) long with a longest span of 53 ft (16.2 m) and a deck 28 ft wide.
Who owns FAS-799 over Big Muddy Creek?
It is owned by the County Highway Agency.