LA0509 over I-49
GoodDe Soto Parish, Louisiana · LA 509 over I-49 · Structure no. 041601050107821
- Built
- 1985
- 40 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 370 ft
- 5 main spans
- Daily traffic
- 4,308
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0509 over I-49 is a prestressed concrete continuous stringer/multi-beam or girder carrying LA0509 over I-49 in De Soto Parish, Louisiana. It was built in 1985, so it is 40 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 4,308 vehicles a day, roughly 19% of them trucks, projected to reach 4,738 by 2041. The structure is 370 ft (112.8 m) long and 69 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0509 over I-49 built?
It was built in 1985, making it 40 years old in 2025.
What condition is LA0509 over I-49 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 I-49 carry?
About 4,308 vehicles per day (2021 count), of which roughly 19% are trucks.
How long is LA0509 over I-49?
The structure is 370 ft (112.8 m) long with a longest span of 90 ft (27.4 m) and a deck 69 ft wide.
Who owns LA0509 over I-49?
It is owned by the State Highway Agency.