Polk ST over Little Bayou Black
Good Condition6 years old3,645 vehicles/day
Location
| State | Louisiana |
| County | Terrebonne |
| Location | 0.01 Mi S Of La 311 |
| Carries | Polk ST |
| Crosses | Little Bayou Black |
| Coordinates | 29.58797, -90.73537 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 68.9 ft (21 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 41.0 ft (12.5 m) |
| Deck Area | 262.5 sq m |
| Main Spans | 3 |
| Year Built | 2020 |
Traffic
| Avg Daily Traffic | 3,645 (2022) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 025500000025500 |