LA0478 over Bayou Provencal
GoodNatchitoches Parish, Louisiana · 7.04 M. East of LA 117 · Structure no. 083500000080589
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 360 ft
- 9 main spans
- Daily traffic
- 479
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0478 over Bayou Provencal is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0478 over Bayou Provencal in Natchitoches Parish, Louisiana. It was built in 2011, so it is 14 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 479 vehicles a day, roughly 14% of them trucks, projected to reach 526 by 2041. The structure is 360 ft (109.7 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 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 LA0478 over Bayou Provencal built?
It was built in 2011, making it 14 years old in 2025.
What condition is LA0478 over Bayou Provencal 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 March 2024.
How much traffic does LA0478 over Bayou Provencal carry?
About 479 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is LA0478 over Bayou Provencal?
The structure is 360 ft (109.7 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.
Who owns LA0478 over Bayou Provencal?
It is owned by the State Highway Agency.