Grand Caillou RD over Platt Bayou
Poor Condition48 years old128 vehicles/day
Location
| State | Louisiana |
| County | Terrebonne |
| Location | 0119 Log Mi From In |
| Carries | Grand Caillou RD |
| Crosses | Platt Bayou |
| Coordinates | 29.34268, -90.73067 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 4 (Poor) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 113.8 ft (34.7 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 27.2 ft (8.3 m) |
| Deck Area | 288.0 sq m |
| Main Spans | 6 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 128 (2023) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 025529205904391 |