Tr120 Oldmazon RD over Murray Sluice
Poor Condition45 years old150 vehicles/day
Location
| State | Illinois |
| County | Grundy |
| Location | .81 Mi S Gr Ridge RD |
| Carries | Tr120 Oldmazon RD |
| Crosses | Murray Sluice |
| Coordinates | 41.22994, -88.39923 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 24.0 ft (7.3 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 170.4 sq m |
| Main Spans | 3 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 150 (2024) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 032500600000000 |