I0010 over Bayou Diende
Calcasieu Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I0010 over Bayou Diende in Calcasieu 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 1962, making it 63 years old at the 2025 inventory.
- It carries about 86,969 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 339 of the 462 inventoried bridges in Calcasieu Parish rated fair (73.4%); 39 (8.4%) 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 → (30.21575, -93.3552)
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 160 ft |
| Location | 0.2 Mi E of La 27 |
| NBI structure number | 071004509121521 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Calcasieu Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over Sabine Relief | 1954 | 86,969 | Poor |
| I0010 over Gum Gully | 1966 | 86,969 | Fair |
| I0010 over Vinton Canal | 1966 | 86,969 | Fair |
| I0010 over Hamptons Coulee | 1966 | 86,969 | Fair |
| I0010 over Coone Gully | 1965 | 86,969 | Fair |
| I0010 over Drain | 1966 | 86,969 | Fair |
All bridges nearby: Calcasieu Parish, LA bridge conditions · every bridge in Calcasieu Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.