Tr 129 over Duff Armstrong Ditch
Fair Condition38 years old25 vehicles/day
Location
| State | Illinois |
| County | Mason |
| Location | 2.5 Mi. SW Easton |
| Carries | Tr 129 |
| Crosses | Duff Armstrong Ditch |
| Coordinates | 40.21432, -89.89357 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 39.4 ft (12 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 94.7 sq m |
| Main Spans | 1 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 25 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 063410300000000 |