LA3185 over Drain Canal
PoorLafourche Parish, Louisiana · 2.3 MI West of LA 3107 · Structure no. 022908292503811
- Built
- 1969
- 56 years old
- Condition
- Poor
- inspected May 2024
- Type
- Slab
- Concrete
- Length
- 38 ft
- 2 main spans
- Daily traffic
- 12,957
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA3185 over Drain Canal is a concrete slab carrying LA3185 over Drain Canal in Lafourche Parish, Louisiana. It was built in 1969, so it is 56 years old, older than the Louisiana average of 43 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 12,957 vehicles a day, roughly 11% of them trucks, projected to reach 14,252 by 2041. The structure is 38 ft (11.6 m) long and 31 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA3185 over Drain Canal built?
It was built in 1969, making it 56 years old in 2025.
What condition is LA3185 over Drain Canal in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.
How much traffic does LA3185 over Drain Canal carry?
About 12,957 vehicles per day (2021 count), of which roughly 11% are trucks.
How long is LA3185 over Drain Canal?
The structure is 38 ft (11.6 m) long with a longest span of 19 ft (5.8 m) and a deck 31 ft wide.
Who owns LA3185 over Drain Canal?
It is owned by the State Highway Agency.