LA0155 over Black Lake Bayou
GoodNatchitoches Parish, Louisiana · 3.9 Mi. W of Int LA153 · Structure no. 083500910200001
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected January 2024
- Type
- Slab
- Concrete
- Length
- 360 ft
- 18 main spans
- Daily traffic
- 640
- 2016 count
- Owner
- State
- State Highway Agency
About this bridge
LA0155 over Black Lake Bayou is a concrete slab carrying LA0155 over Black Lake Bayou in Natchitoches Parish, Louisiana. It was built in 1992, so it is 33 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 640 vehicles a day, roughly 14% of them trucks, projected to reach 704 by 2036. The structure is 360 ft (109.7 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0155 over Black Lake Bayou built?
It was built in 1992, making it 33 years old in 2025.
What condition is LA0155 over Black Lake 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 January 2024.
How much traffic does LA0155 over Black Lake Bayou carry?
About 640 vehicles per day (2016 count), of which roughly 14% are trucks.
How long is LA0155 over Black Lake Bayou?
The structure is 360 ft (109.7 m) long with a longest span of 20 ft (6.1 m) and a deck 33 ft wide.
Who owns LA0155 over Black Lake Bayou?
It is owned by the State Highway Agency.