I0055 over Off Ramp US 51 Manchac
Good Condition47 years old8,115 vehicles/day
Location
| State | Louisiana |
| County | Tangipahoa |
| Location | 9.9 M S Of La 22 |
| Carries | I0055 |
| Crosses | Off Ramp US 51 Manchac |
| Coordinates | 30.30014, -90.40507 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 560.0 ft (170.7 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 28.5 ft (8.7 m) |
| Deck Area | 1485.1 sq m |
| Main Spans | 8 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 8,115 (2021) |
| Truck Traffic | 25% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 625304529001318 |