LA0020 over Grand Bayou
GoodLafourche Parish, Louisiana · 07.62 Miles North of LA 3 · Structure no. 022900000020491
- Built
- 2012
- 13 years old
- Condition
- Good
- inspected February 2023
- Type
- Slab
- Concrete
- Length
- 180 ft
- 9 main spans
- Daily traffic
- 8,298
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0020 over Grand Bayou is a concrete slab carrying LA0020 over Grand Bayou in Lafourche Parish, Louisiana. It was built in 2012, so it is 13 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 8,298 vehicles a day, roughly 20% of them trucks, projected to reach 9,127 by 2041. The structure is 180 ft (54.9 m) long and 42 ft wide. If it were closed, the detour would be 34.8 mi (56 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0020 over Grand Bayou built?
It was built in 2012, making it 13 years old in 2025.
What condition is LA0020 over Grand Bayou 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 February 2023.
How much traffic does LA0020 over Grand Bayou carry?
About 8,298 vehicles per day (2021 count), of which roughly 20% are trucks.
How long is LA0020 over Grand Bayou?
The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 42 ft wide.
Who owns LA0020 over Grand Bayou?
It is owned by the State Highway Agency.