LA0023 over Bayou Barriere
Plaquemines Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0023 over Bayou Barriere in Plaquemines Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 25,594 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 22 of the 35 inventoried bridges in Plaquemines Parish rated fair (62.9%); 7 (20.0%) 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 → (29.86766, -90.0033)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 89 ft |
| Location | .3 Mi South of La 428 |
| NBI structure number | 023800620201141 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Plaquemines Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| La 23 over Intercoastal Waterway | 2024 | 39,114 | Good |
| LA0023 over Algiers Outfall C | 1968 | 29,088 | Fair |
| LA0023 over I C Waterway | 1968 | 29,088 | Fair |
| LA0023 over Bayou Barriere | 1955 | 29,088 | Fair |
| LA0023 over Algiers Outfall Canal | 1968 | 25,594 | Fair |
| LA3017 over Bayou Barataria | 1971 | 22,518 | Fair |
All bridges nearby: Plaquemines Parish, LA bridge conditions · every bridge in Plaquemines Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.