Oil Valley School over Johnson Creek
Poor Condition40 years old200 vehicles/day
Location
| State | Illinois |
| County | Carroll |
| Location | 2 Mi SE Mt Carroll |
| Carries | Oil Valley School |
| Crosses | Johnson Creek |
| Coordinates | 42.05966, -89.99668 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 46.3 ft (14.1 m) |
| Max Span | 43.6 ft (13.3 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 102.9 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 200 (2021) |
| Truck Traffic | 33% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 008362100000000 |