LA0073 over Bayou Manchac
PoorPosted for loadEast Baton Rouge Parish, Louisiana · 0.68 MI N of LA 427 · Structure no. 611700770400001
- Built
- 1931
- 94 years old
- Condition
- Poor
- inspected August 2024
- Type
- Truss - Thru
- Steel
- Length
- 325 ft
- 5 main spans
- Daily traffic
- 9,615
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
LA0073 over Bayou Manchac is a steel truss - thru carrying LA0073 over Bayou Manchac in East Baton Rouge Parish, Louisiana. It was built in 1931, so it is 94 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 9,615 vehicles a day, roughly 7% of them trucks, projected to reach 10,576 by 2041. The structure is 325 ft (99.1 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA0073 over Bayou Manchac built?
It was built in 1931, making it 94 years old in 2025.
What condition is LA0073 over Bayou Manchac 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 August 2024.
How much traffic does LA0073 over Bayou Manchac carry?
About 9,615 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is LA0073 over Bayou Manchac?
The structure is 325 ft (99.1 m) long with a longest span of 82 ft (25 m) and a deck 27 ft wide.
Who owns LA0073 over Bayou Manchac?
It is owned by the State Highway Agency.