Ch 6 N21st over Covel Creek
Good Condition11 years old1,100 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | 3 Mi. E. Of Gr Ridge |
| Carries | Ch 6 N21st |
| Crosses | Covel Creek |
| Coordinates | 41.23738, -88.77317 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 65.9 ft (20.1 m) |
| Max Span | 62.3 ft (19 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 215.1 sq m |
| Main Spans | 1 |
| Year Built | 2015 |
Traffic
| Avg Daily Traffic | 1,100 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 621 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050361300000000 |