US 136 over Red Oak Ditch
Fair Condition64 years old1,150 vehicles/day
Location
| State | Illinois |
| County | Mason |
| Location | 3.5 Mi W Jct 29&136 |
| Carries | US 136 |
| Crosses | Red Oak Ditch |
| Coordinates | 40.30387, -89.76181 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 26.6 ft (8.1 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 94.0 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 1,150 (2023) |
| Truck Traffic | 22% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 063200100000000 |