E. Rock Grove RD over South Otter Creek
Good Condition32 years old775 vehicles/day
Location
| State | Illinois |
| County | Stephenson |
| Location | 0.3 Mi W Davis RD |
| Carries | E. Rock Grove RD |
| Crosses | South Otter Creek |
| Coordinates | 42.46141, -89.42493 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 32.8 ft (10 m) |
| Max Span | 10.2 ft (3.1 m) |
| Deck Area | 67 sq m |
| Main Spans | 3 |
| Year Built | 1994 |
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 | 089510800000000 |