LA 641 over I-10
GoodSt. James Parish, Louisiana · 3.4 M N of US 61 · Structure no. 614708470206501
- Built
- 1981
- 44 years old
- Condition
- Good
- inspected November 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 1,584 ft
- 18 main spans
- Daily traffic
- 6,427
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA 641 over I-10 is a prestressed concrete continuous stringer/multi-beam or girder carrying LA 641 over I-10 in St. James 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 6,427 vehicles a day, roughly 18% of them trucks, projected to reach 7,069 by 2041. The structure is 1,584 ft (482.8 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 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 LA 641 over I-10 built?
It was built in 1981, making it 44 years old in 2025.
What condition is LA 641 over I-10 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 November 2023.
How much traffic does LA 641 over I-10 carry?
About 6,427 vehicles per day (2021 count), of which roughly 18% are trucks.
How long is LA 641 over I-10?
The structure is 1,584 ft (482.8 m) long with a longest span of 88 ft (26.8 m) and a deck 43 ft wide.
Who owns LA 641 over I-10?
It is owned by the State Highway Agency.