LA0159 over Black Bayou
GoodWebster Parish, Louisiana · 16.95 Mi. N. of US 79 80 · Structure no. 046000870116951
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected August 2023
- Type
- Slab
- Concrete
- Length
- 520 ft
- 26 main spans
- Daily traffic
- 562
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0159 over Black Bayou is a concrete slab carrying LA0159 over Black Bayou in Webster Parish, Louisiana. It was built in 2005, so it is 20 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 562 vehicles a day, roughly 19% of them trucks, projected to reach 618 by 2041. The structure is 520 ft (158.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0159 over Black Bayou built?
It was built in 2005, making it 20 years old in 2025.
What condition is LA0159 over Black Bayou 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 August 2023.
How much traffic does LA0159 over Black Bayou carry?
About 562 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is LA0159 over Black Bayou?
The structure is 520 ft (158.5 m) long with a longest span of 20 ft (6.1 m) and a deck 32 ft wide.
Who owns LA0159 over Black Bayou?
It is owned by the State Highway Agency.