FAS-826 (CH-10) over Harper Creek
FairJefferson County, Illinois · 1.5 NW Mt Vernon · Structure no. 041363000000000
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected December 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 61 ft
- 1 main span
- Daily traffic
- 2,450
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FAS-826 (CH-10) over Harper Creek is a prestressed concrete box beam or girders - multiple carrying FAS-826 (CH-10) over Harper Creek in Jefferson County, Illinois. It was built in 1988, so it is 37 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 2,450 vehicles a day, roughly 7% of them trucks, projected to reach 2,475 by 2046. The structure is 61 ft (18.7 m) long and 28 ft wide. If it were closed, the detour would be 13 mi (21 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FAS-826 (CH-10) over Harper Creek built?
It was built in 1988, making it 37 years old in 2025.
What condition is FAS-826 (CH-10) over Harper 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 December 2024.
How much traffic does FAS-826 (CH-10) over Harper Creek carry?
About 2,450 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is FAS-826 (CH-10) over Harper Creek?
The structure is 61 ft (18.7 m) long with a longest span of 59 ft (17.9 m) and a deck 28 ft wide.
Who owns FAS-826 (CH-10) over Harper Creek?
It is owned by the County Highway Agency.