LA0077 over Port Allen Lock
PoorPosted for loadIberville Parish, Louisiana · LA0077 · Structure no. 612402190107251
- Built
- 1961
- 64 years old
- Condition
- Poor
- inspected March 2024
- Type
- Movable - Swing
- Steel
- Length
- 386 ft
- 1 main span
- Daily traffic
- 4,376
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0077 over Port Allen Lock is a steel movable - swing carrying LA0077 over Port Allen Lock in Iberville Parish, Louisiana. It was built in 1961, so it is 64 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. Its operating status is: posted for load restriction.
It carries about 4,376 vehicles a day, roughly 10% of them trucks, projected to reach 4,813 by 2041. The structure is 386 ft (117.7 m) long and 33 ft wide. If it were closed, the detour would be 47.2 mi (76 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0077 over Port Allen Lock built?
It was built in 1961, making it 64 years old in 2025.
What condition is LA0077 over Port Allen Lock 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 March 2024.
How much traffic does LA0077 over Port Allen Lock carry?
About 4,376 vehicles per day (2021 count), of which roughly 10% are trucks.
How long is LA0077 over Port Allen Lock?
The structure is 386 ft (117.7 m) long with a longest span of 244 ft (74.4 m) and a deck 33 ft wide.
Who owns LA0077 over Port Allen Lock?
It is owned by the State Highway Agency.