30th Street over Duncan Canal
GoodJefferson Parish, Louisiana · 1.2 MI E of Loyola Avenue · Structure no. 022630007901441
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected May 2023
- Type
- Slab
- Concrete
- Length
- 115 ft
- 3 main spans
- Daily traffic
- —
- 2016 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
30th Street over Duncan Canal is a concrete slab carrying 30th Street over Duncan Canal in Jefferson Parish, Louisiana. It was built in 1999, so it is 26 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
No traffic count is recorded. The structure is 115 ft (35.1 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30th Street over Duncan Canal built?
It was built in 1999, making it 26 years old in 2025.
What condition is 30th Street over Duncan Canal 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 May 2023.
How much traffic does 30th Street over Duncan Canal carry?
No traffic count is recorded for this structure.
How long is 30th Street over Duncan Canal?
The structure is 115 ft (35.1 m) long with a longest span of 45 ft (13.7 m) and a deck 41 ft wide.
Who owns 30th Street over Duncan Canal?
It is owned by the City or Municipal Highway Agency.