S. River Road over Defiance Lake Creek
Fair Condition76 years old16,100 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 4.4m S Of Il120 |
| Carries | S. River Road |
| Crosses | Defiance Lake Creek |
| Coordinates | 42.31077, -88.23270 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 26.6 ft (8.1 m) |
| Max Span | 3.9 ft (1.2 m) |
| Deck Area | 94.0 sq m |
| Main Spans | 6 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 16,100 (2024) |
| Truck Traffic | 20% |
| 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 | 056300000000000 |