Rock City RD over Rock Run CR
Fair Condition61 years old725 vehicles/day
Location
| State | Illinois |
| County | Stephenson |
| Location | 3.0 Mi W Davis |
| Carries | Rock City RD |
| Crosses | Rock Run CR |
| Coordinates | 42.42823, -89.47740 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 100.7 ft (30.7 m) |
| Max Span | 36.4 ft (11.1 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 282.4 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 725 (2024) |
| Truck Traffic | 7% |
| 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 | 089300200000000 |