I 55 over Relief Slough
Fair Condition57 years old10,000 vehicles/day
Location
| State | Mississippi |
| County | Madison |
| Location | 3.6 Mi N SR 16 |
| Carries | I 55 |
| Crosses | Relief Slough |
| Coordinates | 32.73311, -90.05005 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 240.2 ft (73.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 44.0 ft (13.4 m) |
| Deck Area | 980.9 sq m |
| Main Spans | 6 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 10,000 (2023) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 11000550451268A |