Structure 5570028P0000000 · Lauderdale County, AL
Carries Natchez Trace Park over Tennessee River, 7.09 Miles North Of U.s..
4,955 ft end to end, longest span 375 ft: about 14 football fields. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a girder bridge.
| State | Alabama |
| County | Lauderdale |
| Location | 7.09 Miles North Of U.s. |
| Carries | Natchez Trace Park |
| Crosses | Tennessee River |
| Coordinates | 34.83686, -87.94094 |
| Material | Steel Continuous |
| Design | Girder and Floorbeam |
| Total Length | 4955.1 ft (1510.3 m) |
| Max Span | 375.0 ft (114.3 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 15858.1 sq m |
| Main Spans | 38 |
| Year Built | 1964 |
| Avg Daily Traffic | 1,100 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Last Inspection | March 2023 |
| Inspection Frequency | Every 24 months |
| Owner | National Park Service |
| Historical Significance | Bridge is not eligible for the National Register |
| Scour Critical | 5 — Stable for scour |
| Structure Number | 5570028P0000000 |
Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."
A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.