SR 178 over Relief
Poor Condition88 years old1,500 vehicles/day
Location
| State | Mississippi |
| County | Marshall |
| Location | 4.9 Mi E SR 7 |
| Carries | SR 178 |
| Crosses | Relief |
| Coordinates | 34.71273, -89.39673 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 3 (Serious) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 240.2 ft (73.2 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 592.9 sq m |
| Main Spans | 12 |
| Year Built | 1938 |
Traffic
| Avg Daily Traffic | 1,500 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 210007804703540 |