Ch 6 N21st RD over Covel Creek
Good Condition11 years old1,100 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | N 21st E 1920 |
| Carries | Ch 6 N21st RD |
| Crosses | Covel Creek |
| Coordinates | 41.23736, -88.79606 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 53.1 ft (16.2 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 186.2 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 | 050361400000000 |