Charles RD over Slough Creek
Poor Condition79 years old6,300 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | At Nelson RD |
| Carries | Charles RD |
| Crosses | Slough Creek |
| Coordinates | 42.36493, -88.47286 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 30.8 ft (9.4 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 114.7 sq m |
| Main Spans | 1 |
| Year Built | 1947 (reconstructed 1984) |
Traffic
| Avg Daily Traffic | 6,300 (2021) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056300600000000 |