Il 120 over Boone Creek
Fair Condition53 years old25,900 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | N Limits Of Mchenry |
| Carries | Il 120 |
| Crosses | Boone Creek |
| Coordinates | 42.34599, -88.27985 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Area | 124.8 sq m |
| Main Spans | 3 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 25,900 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056000600000000 |