FAS-712 over Kaskaskia River
FairFayette County, Illinois · 6 MI S Herrick · Structure no. 026300300000000
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected February 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 244 ft
- 3 main spans
- Daily traffic
- 600
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
FAS-712 over Kaskaskia River is a prestressed concrete box beam or girders - multiple carrying FAS-712 over Kaskaskia River in Fayette County, Illinois. It was built in 1967, so it is 58 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 600 vehicles a day, roughly 8% of them trucks, projected to reach 612 by 2046. The structure is 244 ft (74.4 m) long and 24 ft wide. If it were closed, the detour would be 11.2 mi (18 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS-712 over Kaskaskia River built?
It was built in 1967, making it 58 years old in 2025.
What condition is FAS-712 over Kaskaskia 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 February 2023.
How much traffic does FAS-712 over Kaskaskia River carry?
About 600 vehicles per day (2023 count), of which roughly 8% are trucks.
How long is FAS-712 over Kaskaskia River?
The structure is 244 ft (74.4 m) long with a longest span of 79 ft (24.1 m) and a deck 24 ft wide.
Who owns FAS-712 over Kaskaskia River?
It is owned by the County Highway Agency.