LA0308 over Theriot Canal
GoodLafourche Parish, Louisiana · 2.6 M N of LA 3198 · Structure no. 022904070403131
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected August 2024
- Type
- Slab
- Concrete
- Length
- 80 ft
- 4 main spans
- Daily traffic
- 5,050
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0308 over Theriot Canal is a concrete slab carrying LA0308 over Theriot Canal in Lafourche Parish, Louisiana. It was built in 1991, so it is 34 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 5,050 vehicles a day, roughly 13% of them trucks, projected to reach 5,555 by 2041. The structure is 80 ft (24.4 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0308 over Theriot Canal built?
It was built in 1991, making it 34 years old in 2025.
What condition is LA0308 over Theriot Canal 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 August 2024.
How much traffic does LA0308 over Theriot Canal carry?
About 5,050 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is LA0308 over Theriot Canal?
The structure is 80 ft (24.4 m) long with a longest span of 20 ft (6.1 m) and a deck 47 ft wide.
Who owns LA0308 over Theriot Canal?
It is owned by the State Highway Agency.