Waterproof Bridge over Black Bayou
Fair Condition17 years old610 vehicles/day
Location
| State | Louisiana |
| County | Terrebonne |
| Location | La 182 Southdown-mandalay |
| Carries | Waterproof Bridge |
| Crosses | Black Bayou |
| Coordinates | 29.56238, -90.79380 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 27.6 ft (8.4 m) |
| Deck Area | 256.2 sq m |
| Main Spans | 5 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 610 (2021) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 025500000200854 |