La0431 over Black Bayou
Poor Condition43 years old9,608 vehicles/day
Location
| State | Louisiana |
| County | Ascension |
| Location | 2.16 Mi N Jct US 61 |
| Carries | La0431 |
| Crosses | Black Bayou |
| Coordinates | 30.23714, -90.86995 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 76.1 ft (23.2 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 299.3 sq m |
| Main Spans | 4 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 9,608 (2021) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 610302670202161 |