LA0509 over Bayou Pierre
GoodDe Soto Parish, Louisiana · 6.6 MI East of I-49 · Structure no. 041601050205361
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 250 ft
- 5 main spans
- Daily traffic
- 1,975
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0509 over Bayou Pierre is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0509 over Bayou Pierre in De Soto Parish, Louisiana. It was built in 1981, so it is 44 years old, older 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 1,975 vehicles a day, roughly 19% of them trucks, projected to reach 2,172 by 2041. The structure is 250 ft (76.2 m) long and 33 ft wide. If it were closed, the detour would be 29.8 mi (48 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0509 over Bayou Pierre built?
It was built in 1981, making it 44 years old in 2025.
What condition is LA0509 over Bayou Pierre 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 May 2024.
How much traffic does LA0509 over Bayou Pierre carry?
About 1,975 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is LA0509 over Bayou Pierre?
The structure is 250 ft (76.2 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.
Who owns LA0509 over Bayou Pierre?
It is owned by the State Highway Agency.