Alario Bridge Rd over Drain Canal
Lafourche Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Alario Bridge Rd over Drain Canal in Lafourche Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2011, making it 14 years old at the 2025 inventory.
- It carries about 530 vehicles a day (traffic count year 2020).
- Its listed owner is a town or township highway agency.
- It is one of 51 of the 130 inventoried bridges in Lafourche Parish rated good (39.2%); 20 (15.4%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (29.39246, -90.27504)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 100 ft |
| Location | 0.3 Mile SW of La 3235 |
| NBI structure number | 022900000200888 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Lafourche Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0090 over Drainage Canal | 1976 | 27,665 | Fair |
| US0090 over Drainage Canal | 1976 | 27,665 | Good |
| US0090 over on Ramp From LA308 | 1976 | 26,058 | Good |
| LA0020 over 40 Arpent Canal | 1968 | 20,091 | Fair |
| LA0020 over Drainage Canal | 1968 | 20,091 | Good |
| LA0020 over Drainage Canal | 1968 | 20,091 | Poor |
All bridges nearby: Lafourche Parish, LA bridge conditions · every bridge in Lafourche Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.