Big 4 Rd over Maree Michel Canal
Vermilion Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Big 4 Rd over Maree Michel Canal in Vermilion Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1998, making it 27 years old at the 2025 inventory.
- It carries about 70 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 118 of the 260 inventoried bridges in Vermilion Parish rated fair (45.4%); 26 (10.0%) 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 July 2023, 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 → (30.00488, -92.56441)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 41 ft |
| Location | 1.1 Mi S of La 14 |
| NBI structure number | 035730003923391 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | July 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 Vermilion Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| La0014-b over Vermilion R/abbeville | 1964 | 19,800 | Poor |
| LA0014 over Valcourt Coulee | 1967 | 19,800 | Fair |
| US0167 over Kenny Coulee | 1954 | 18,668 | Good |
| US0167 over Canal | 1954 | 18,668 | Good |
| LA0014 over Bayou Tigre | 1957 | 13,088 | Fair |
| LA0014 over Drainage | 1999 | 12,903 | Good |
All bridges nearby: Vermilion Parish, LA bridge conditions · every bridge in Vermilion Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.