LA0076 over Bayou Maringouin
Iberville Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0076 over Bayou Maringouin in Iberville Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1962, making it 63 years old at the 2025 inventory.
- It carries about 2,899 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 27 of the 80 inventoried bridges in Iberville Parish rated good (33.8%); 10 (12.5%) 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 May 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 → (30.41591, -91.50327)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 120 ft |
| Location | LA0076 |
| NBI structure number | 612402280400011 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 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 Iberville Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over UP Railroad | 1972 | 60,154 | Fair |
| I0010 over Trinity Drainage Canal | 1971 | 58,734 | Fair |
| I0010 over UP Railroad | 1972 | 58,734 | Fair |
| I0010 over La 77 La 411 Bayou | 1972 | 58,734 | Fair |
| I0010 over Bridge 250 Ebl | 1974 | 58,734 | Good |
| I0010 over West Floodway | 1972 | 42,449 | Fair |
All bridges nearby: Iberville Parish, LA bridge conditions · every bridge in Iberville Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.