US0090 over Mcmahon Canal
GoodLafourche Parish, Louisiana · .7 MI East of LA 182 · Structure no. 022904240807394
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected June 2024
- Type
- Slab
- Concrete
- Length
- 250 ft
- 10 main spans
- Daily traffic
- 189
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US0090 over Mcmahon Canal is a concrete slab carrying US0090 over Mcmahon Canal in Lafourche Parish, Louisiana. It was built in 1984, so it is 41 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.
It carries about 189 vehicles a day, roughly 13% of them trucks, projected to reach 207 by 2041. The structure is 250 ft (76.2 m) long and 33 ft wide.
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 US0090 over Mcmahon Canal built?
It was built in 1984, making it 41 years old in 2025.
What condition is US0090 over Mcmahon 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 June 2024.
How much traffic does US0090 over Mcmahon Canal carry?
About 189 vehicles per day (2021 count), of which roughly 13% are trucks.
How long is US0090 over Mcmahon Canal?
The structure is 250 ft (76.2 m) long with a longest span of 25 ft (7.6 m) and a deck 33 ft wide.
Who owns US0090 over Mcmahon Canal?
It is owned by the State Highway Agency.