Polk ST over Little Bayou Black
GoodTerrebonne Parish, Louisiana · 0.01 MI S of LA 311 · Structure no. 025500000025500
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 69 ft
- 3 main spans
- Daily traffic
- 3,645
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Polk ST over Little Bayou Black is a concrete slab carrying Polk ST over Little Bayou Black in Terrebonne Parish, Louisiana. It was built in 2020, so it is 5 years old, younger than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 3,645 vehicles a day, roughly 1% of them trucks, projected to reach 4,009 by 2042. The structure is 69 ft (21 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Polk ST over Little Bayou Black built?
It was built in 2020, making it 5 years old in 2025.
What condition is Polk ST over Little Bayou Black in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.
How much traffic does Polk ST over Little Bayou Black carry?
About 3,645 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is Polk ST over Little Bayou Black?
The structure is 69 ft (21 m) long with a longest span of 23 ft (7 m) and a deck 41 ft wide.
Who owns Polk ST over Little Bayou Black?
It is owned by the County Highway Agency.