LA3185 over Bayou Lafourche
GoodLafourche Parish, Louisiana · 0.01M West of LA 308 · Structure no. 022908292500001
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 180 ft
- 9 main spans
- Daily traffic
- 12,957
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA3185 over Bayou Lafourche is a concrete slab carrying LA3185 over Bayou Lafourche 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 12,957 vehicles a day, roughly 11% of them trucks, projected to reach 14,252 by 2041. The structure is 180 ft (54.9 m) long and 49 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA3185 over Bayou Lafourche built?
It was built in 1991, making it 34 years old in 2025.
What condition is LA3185 over Bayou Lafourche 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 June 2024.
How much traffic does LA3185 over Bayou Lafourche carry?
About 12,957 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is LA3185 over Bayou Lafourche?
The structure is 180 ft (54.9 m) long with a longest span of 20 ft (6.1 m) and a deck 49 ft wide.
Who owns LA3185 over Bayou Lafourche?
It is owned by the State Highway Agency.