River Road over Kishwaukee R Overflo
Fair Condition98 years old2,250 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.8 Mi W Of Il 23 |
| Carries | River Road |
| Crosses | Kishwaukee R Overflo |
| Coordinates | 42.28296, -88.62386 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 26.9 ft (8.2 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 68.8 sq m |
| Main Spans | 1 |
| Year Built | 1928 |
Traffic
| Avg Daily Traffic | 2,250 (2021) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056308000000000 |