Mermentau River Rd over Kings Bayou
Cameron Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mermentau River Rd over Kings Bayou in Cameron 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 2015, making it 10 years old at the 2025 inventory.
- It carries about 82 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 36 of the 58 inventoried bridges in Cameron Parish rated fair (62.1%); 14 (24.1%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated March 2024, on a 24-month routine inspection cycle.
- 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 → (29.77622, -93.00836)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Concrete slab |
| Length | about 100 ft |
| Location | 0.6 Miles North of La 82 |
| NBI structure number | 071200000500208 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | March 2024 |
| 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 Cameron Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| LA0385 over S Fork Black Bayou | 1954 | 4,633 | Poor |
| LA0027 over Crab Gully | 1957 | 3,884 | Poor |
| LA0027 over Canal | 1974 | 3,506 | Fair |
| LA0027 over Intracoastal Waterway | 1976 | 3,506 | Fair |
| LA0027 over Kelso Bayou/hackberry | 1977 | 3,034 | Poor |
| LA0082 over North Labove Bayou | 2013 | 2,899 | Fair |
All bridges nearby: Cameron Parish, LA bridge conditions · every bridge in Cameron Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.