E. Rock Grove RD over Rock Run Creek
Good Condition29 years old775 vehicles/day
Location
| State | Illinois |
| County | Stephenson |
| Location | .7 Mi E Rock City RD |
| Carries | E. Rock Grove RD |
| Crosses | Rock Run Creek |
| Coordinates | 42.46128, -89.46440 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 60.7 ft (18.5 m) |
| Max Span | 13.5 ft (4.1 m) |
| Deck Area | 124.0 sq m |
| Main Spans | 3 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 775 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 089511600000000 |