La. 585 over Drainage Canal
East Carroll Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- La. 585 over Drainage Canal in East Carroll Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2024, making it 1 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2023).
- Its listed owner is the state highway agency.
- It is one of 18 of the 55 inventoried bridges in East Carroll Parish rated good (32.7%); 9 (16.4%) are rated poor.
- 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 → (32.9913, -91.25675)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 8 | Very good condition |
| Superstructure | 8 | Very good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 80 ft |
| Location | 0.37 MI E of E.C LINE |
| NBI structure number | 051800000051803 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in East Carroll Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0065 over Baxter Bayou | 2003 | 4,507 | Good |
| US0065 over Otter Bayou | 1985 | 3,046 | Good |
| US0065 over Wild Cat Bayou | 1985 | 2,671 | Fair |
| US0065 over Creek | 1931 | 2,671 | Fair |
| US0065 over Creek | 1931 | 2,671 | Fair |
| LA0002 over Bayou Macon | 1959 | 1,232 | Poor |
All bridges nearby: East Carroll Parish, LA bridge conditions · every bridge in East Carroll Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.