Rockton RD over Rocktn Dam Mill Race
Fair Condition36 years old2,200 vehicles/day
Location
| State | Illinois |
| County | Winnebago |
| Location | W. Edge Of Rockton |
| Carries | Rockton RD |
| Crosses | Rocktn Dam Mill Race |
| Coordinates | 42.45550, -89.08276 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 267.1 ft (81.4 m) |
| Max Span | 65.3 ft (19.9 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 871.0 sq m |
| Main Spans | 4 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 2,200 (2022) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 101308200000000 |