La0311 over Little Bayou Black
Good Condition75 years old11,582 vehicles/day
Location
| State | Louisiana |
| County | Terrebonne |
| Location | 1.15 Mi South Of La 312 |
| Carries | La0311 |
| Crosses | Little Bayou Black |
| Coordinates | 29.59121, -90.74290 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 40.0 ft (12.2 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Width | 47.9 ft (14.6 m) |
| Deck Area | 178.1 sq m |
| Main Spans | 3 |
| Year Built | 1951 |
Traffic
| Avg Daily Traffic | 11,582 (2021) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 025504130101131 |