Jacob Dr over 20 Arpent Canal
St. Bernard Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Jacob Dr over 20 Arpent Canal in St. Bernard Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1997, making it 28 years old at the 2025 inventory.
- It carries about 863 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 18 of the 47 inventoried bridges in St. Bernard Parish rated fair (38.3%); 3 (6.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (29.94374, -89.93917)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 57 ft |
| Location | 0.4 Mi. N. of LA 39 |
| NBI structure number | 024400000000009 |
| Condition class | Fair |
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.