Boon Lasseigne RD over Martin Bayou
Good Condition54 years old63 vehicles/day
Location
| State | Louisiana |
| County | St. Martin |
| Location | 2.2 Mi. E Of La 347 |
| Carries | Boon Lasseigne RD |
| Crosses | Martin Bayou |
| Coordinates | 30.20703, -91.78593 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 57.1 ft (17.4 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 146.2 sq m |
| Main Spans | 3 |
| Year Built | 1972 |
Traffic
| Avg Daily Traffic | 63 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 035030124914711 |