New Columbia RD over New Columbia Ditch
Good Condition12 years old500 vehicles/day
Location
| State | Illinois |
| County | Massac |
| Location | 4.3 M N Round Knob |
| Carries | New Columbia RD |
| Crosses | New Columbia Ditch |
| Coordinates | 37.29797, -88.75779 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 9 (Excellent) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 79.1 ft (24.1 m) |
| Max Span | 76.1 ft (23.2 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 219.3 sq m |
| Main Spans | 1 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 500 (2020) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 064314600000000 |