LA0001 over Sibley Lake
FairNatchitoches Parish, Louisiana · .70 MI N of JCT LA 6 · Structure no. 083500343004781
- Built
- 1969
- 56 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 662 ft
- 12 main spans
- Daily traffic
- 14,586
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0001 over Sibley Lake is a prestressed concrete stringer/multi-beam or girder carrying LA0001 over Sibley Lake in Natchitoches Parish, Louisiana. It was built in 1969, so it is 56 years old, older 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 14,586 vehicles a day, roughly 14% of them trucks, projected to reach 16,044 by 2041. The structure is 662 ft (201.8 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0001 over Sibley Lake built?
It was built in 1969, making it 56 years old in 2025.
What condition is LA0001 over Sibley Lake 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 February 2024.
How much traffic does LA0001 over Sibley Lake carry?
About 14,586 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is LA0001 over Sibley Lake?
The structure is 662 ft (201.8 m) long with a longest span of 55 ft (16.8 m) and a deck 48 ft wide.
Who owns LA0001 over Sibley Lake?
It is owned by the State Highway Agency.