LA0143 over Darbonne Bayou
PoorOuachita Parish, Louisiana · 2.8 MI North of LA 616 · Structure no. 053703150203831
- Built
- 1962
- 63 years old, rebuilt 1984
- Condition
- Poor
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 660 ft
- 9 main spans
- Daily traffic
- 3,674
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0143 over Darbonne Bayou is a steel stringer/multi-beam or girder carrying LA0143 over Darbonne Bayou in Ouachita Parish, Louisiana. It was built in 1962 and reconstructed in 1984, so it is 63 years old, older than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 3,674 vehicles a day, roughly 16% of them trucks, projected to reach 4,041 by 2041. The structure is 660 ft (201.2 m) long and 47 ft wide. If it were closed, the detour would be 36 mi (58 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 LA0143 over Darbonne Bayou built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1984.
What condition is LA0143 over Darbonne Bayou in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does LA0143 over Darbonne Bayou carry?
About 3,674 vehicles per day (2021 count), of which roughly 16% are trucks.
How long is LA0143 over Darbonne Bayou?
The structure is 660 ft (201.2 m) long with a longest span of 100 ft (30.5 m) and a deck 47 ft wide.
Who owns LA0143 over Darbonne Bayou?
It is owned by the State Highway Agency.