Chalona Dr over 20 Arpent Canal
St. Bernard Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Chalona Dr over 20 Arpent Canal in St. Bernard Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 9 (excellent condition) on the 0-9 scale.
- It was built in 2019, making it 6 years old at the 2025 inventory.
- It carries about 352 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 26 of the 47 inventoried bridges in St. Bernard Parish rated good (55.3%); 3 (6.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2023, on a 24-month routine inspection cycle.
- 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 → (29.94327, -89.947)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 9 | 9 | Excellent condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 34 ft |
| Location | 0.4 Mi. N. of LA 39 |
| NBI structure number | 024400000024403 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in St. Bernard Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| LA0039 over RR Canal | 1991 | 47,739 | Poor |
| LA0039 over Eickes Canal | 2001 | 47,739 | Good |
| LA0039 over Guerenger Canal | 2001 | 47,739 | Good |
| LA0039 over Chalmette Vista | 2001 | 47,739 | Good |
| LA0039 over Drain Canal | 1967 | 47,739 | Fair |
| LA0039 over Lake Borgne Canal | 1981 | 47,739 | Good |
All bridges nearby: St. Bernard Parish, LA bridge conditions · every bridge in St. Bernard Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.