Blackhawk RD over Rob Roy Ck
Fair Condition48 years old675 vehicles/day
Location
| State | Illinois |
| County | Kendall |
| Location | By River RD |
| Carries | Blackhawk RD |
| Crosses | Rob Roy Ck |
| Coordinates | 41.64476, -88.50896 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 59.1 ft (18 m) |
| Max Span | 58.1 ft (17.7 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 147.6 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 675 (2024) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 047310000000000 |