LA 23 over Intercoastal Waterway
GoodPlaquemines Parish, Louisiana · 3.6 SE of US-90B · Structure no. 023800000023801
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 3,402 ft
- 3 main spans
- Daily traffic
- 39,114
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
LA 23 over Intercoastal Waterway is a steel continuous stringer/multi-beam or girder carrying LA 23 over Intercoastal Waterway in Plaquemines Parish, Louisiana. It was built in 2024, so it is 1 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 39,114 vehicles a day, roughly 9% of them trucks, projected to reach 43,025 by 2044. The structure is 3,402 ft (1,036.9 m) long and 73 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was LA 23 over Intercoastal Waterway built?
It was built in 2024, making it 1 years old in 2025.
What condition is LA 23 over Intercoastal Waterway 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 September 2024.
How much traffic does LA 23 over Intercoastal Waterway carry?
About 39,114 vehicles per day (2024 count), of which roughly 9% are trucks.
How long is LA 23 over Intercoastal Waterway?
The structure is 3,402 ft (1,036.9 m) long with a longest span of 174 ft (53 m) and a deck 73 ft wide.
Who owns LA 23 over Intercoastal Waterway?
It is owned by the State Highway Agency and maintained by the Private (other than railroad).