La0621 over Black Bayou
Poor Condition55 years old7,519 vehicles/day
Location
| State | Louisiana |
| County | Ascension |
| Location | 0.2 M E Of La 44&la 621 |
| Carries | La0621 |
| Crosses | Black Bayou |
| Coordinates | 30.26942, -90.91756 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 163.6 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 7,519 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 610308030804031 |