Ch 6 N21st RD over Covel Creek
GoodLaSalle County, Illinois · N 21st E 1920 · Structure no. 050361400000000
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected June 2021
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 57 ft
- 1 main span
- Daily traffic
- 1,100
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Ch 6 N21st RD over Covel Creek is a prestressed concrete stringer/multi-beam or girder carrying Ch 6 N21st RD over Covel Creek in LaSalle County, Illinois. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,100 vehicles a day, roughly 12% of them trucks, projected to reach 1,616 by 2046. The structure is 57 ft (17.4 m) long and 35 ft wide. If it were closed, the detour would be 18 mi (29 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ch 6 N21st RD over Covel Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is Ch 6 N21st RD over Covel 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 June 2021.
How much traffic does Ch 6 N21st RD over Covel Creek carry?
About 1,100 vehicles per day (2023 count), of which roughly 12% are trucks.
How long is Ch 6 N21st RD over Covel Creek?
The structure is 57 ft (17.4 m) long with a longest span of 53 ft (16.2 m) and a deck 35 ft wide.
Who owns Ch 6 N21st RD over Covel Creek?
It is owned by the County Highway Agency.