LA0030 over Bayou Manchac
FairIberville Parish, Louisiana · 2.4 M S of LA 327&LA 30 · Structure no. 612404140200001
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete
- Length
- 22 ft
- 3 main spans
- Daily traffic
- 17,089
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0030 over Bayou Manchac is a concrete culvert carrying LA0030 over Bayou Manchac in Iberville Parish, Louisiana. It was built in 1967, so it is 58 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 17,089 vehicles a day, roughly 9% of them trucks, projected to reach 18,797 by 2041. The structure is 22 ft (6.7 m) long and 78 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0030 over Bayou Manchac built?
It was built in 1967, making it 58 years old in 2025.
What condition is LA0030 over Bayou Manchac 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 LA0030 over Bayou Manchac carry?
About 17,089 vehicles per day (2021 count), of which roughly 9% are trucks.
How long is LA0030 over Bayou Manchac?
The structure is 22 ft (6.7 m) long with a longest span of 6 ft (1.8 m) and a deck 78 ft wide.
Who owns LA0030 over Bayou Manchac?
It is owned by the State Highway Agency.