US 136 over Allens Grove Ditch
Fair Condition64 years old1,150 vehicles/day
Location
| State | Illinois |
| County | Mason |
| Location | 2 Mi W Jct Ill 29 |
| Carries | US 136 |
| Crosses | Allens Grove Ditch |
| Coordinates | 40.30446, -89.73505 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 31.2 ft (9.5 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Area | 115.9 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 | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 063200200000000 |