Twp RD 104 over Massac Ck
Poor Condition49 years old25 vehicles/day
Location
| State | Illinois |
| County | Massac |
| Location | 4.5 Mi East RD Knob |
| Carries | Twp RD 104 |
| Crosses | Massac Ck |
| Coordinates | 37.25465, -88.66584 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 47.9 ft (14.6 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 96.1 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 25 (2020) |
| Truck Traffic | 44% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 064305300000000 |