Old US 51 over North Pass
Poor Condition66 years old4,107 vehicles/day
Location
| State | Louisiana |
| County | Tangipahoa |
| Location | North Pass |
| Carries | Old US 51 |
| Crosses | North Pass |
| Coordinates | 30.30856, -90.40550 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 1352.0 ft (412.1 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 33.8 ft (10.3 m) |
| Deck Area | 4244.6 sq m |
| Main Spans | 54 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 4,107 (2021) |
| Truck Traffic | 12% |
| 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 | 625304529001903 |