Il 120 over Fox River
Fair Condition41 years old18,100 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | Mchenry |
| Carries | Il 120 |
| Crosses | Fox River |
| Coordinates | 42.34431, -88.26163 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 431.1 ft (131.4 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 76.1 ft (23.2 m) |
| Deck Area | 3048.5 sq m |
| Main Spans | 5 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 18,100 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056004900000000 |