LA0031 over I-10
FairSt. Martin Parish, Louisiana · 1.17 MI N of LA 94 · Structure no. 035000563001171
- Built
- 1970
- 55 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 1,250 ft
- 19 main spans
- Daily traffic
- 8,168
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0031 over I-10 is a prestressed concrete stringer/multi-beam or girder carrying LA0031 over I-10 in St. Martin Parish, Louisiana. It was built in 1970, so it is 55 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 8,168 vehicles a day, roughly 9% of them trucks, projected to reach 8,984 by 2041. The structure is 1,250 ft (381 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0031 over I-10 built?
It was built in 1970, making it 55 years old in 2025.
What condition is LA0031 over I-10 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 May 2024.
How much traffic does LA0031 over I-10 carry?
About 8,168 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is LA0031 over I-10?
The structure is 1,250 ft (381 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.
Who owns LA0031 over I-10?
It is owned by the State Highway Agency.