LA0506 over Black Bayou
FairCaldwell Parish, Louisiana · 1.9 MI E of LA 849 · Structure no. 581100000580174
- Built
- 2015
- 10 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete
- Length
- 100 ft
- 5 main spans
- Daily traffic
- 300
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0506 over Black Bayou is a concrete slab carrying LA0506 over Black Bayou in Caldwell Parish, Louisiana. It was built in 2015, so it is 10 years old, younger than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 300 vehicles a day, roughly 11% of them trucks, projected to reach 330 by 2041. The structure is 100 ft (30.5 m) long and 34 ft wide. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0506 over Black Bayou built?
It was built in 2015, making it 10 years old in 2025.
What condition is LA0506 over Black Bayou in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.
How much traffic does LA0506 over Black Bayou carry?
About 300 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is LA0506 over Black Bayou?
The structure is 100 ft (30.5 m) long with a longest span of 20 ft (6.1 m) and a deck 34 ft wide.
Who owns LA0506 over Black Bayou?
It is owned by the State Highway Agency.