Ch 21 over W Fork Big Creek
GoodClark County, Illinois · 2.7 MI NE Clarksvill · Structure no. 012326800000000
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 100
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 21 over W Fork Big Creek is a prestressed concrete box beam or girders - multiple carrying Ch 21 over W Fork Big Creek in Clark County, Illinois. It was built in 1989, so it is 36 years old, younger than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 100 vehicles a day, roughly 6% of them trucks, projected to reach 101 by 2046. The structure is 56 ft (17.1 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 21 over W Fork Big Creek built?
It was built in 1989, making it 36 years old in 2025.
What condition is Ch 21 over W Fork Big Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.
How much traffic does Ch 21 over W Fork Big Creek carry?
About 100 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Ch 21 over W Fork Big Creek?
The structure is 56 ft (17.1 m) long with a longest span of 56 ft (17.1 m) and a deck 27 ft wide.
Who owns Ch 21 over W Fork Big Creek?
It is owned by the County Highway Agency.