Ch 20 over Clear Creek
GoodClark County, Illinois · .5 MI N Dennison · Structure no. 012315000000000
- Built
- 1909
- 116 years old, rebuilt 1977
- Condition
- Good
- inspected February 2025
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 200
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 20 over Clear Creek is a prestressed concrete box beam or girders - multiple carrying Ch 20 over Clear Creek in Clark County, Illinois. It was built in 1909 and reconstructed in 1977, so it is 116 years old, older 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 200 vehicles a day, roughly 7% of them trucks, projected to reach 202 by 2046. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 20 over Clear Creek built?
It was built in 1909, making it 116 years old in 2025. It was reconstructed in 1977.
What condition is Ch 20 over Clear 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 20 over Clear Creek carry?
About 200 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is Ch 20 over Clear Creek?
The structure is 52 ft (15.8 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.
Who owns Ch 20 over Clear Creek?
It is owned by the County Highway Agency.