US 49 over Big Black River Relief
Good Condition52 years old6,000 vehicles/day
Location
| State | Mississippi |
| County | Madison |
| Location | 4.4 Mi N SR 22 |
| Carries | US 49 |
| Crosses | Big Black River Relief |
| Coordinates | 32.59332, -90.35413 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 282.2 ft (86 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 1092.2 sq m |
| Main Spans | 7 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 6,000 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21000490451829A |