Ferguson Rd over Ash Slough
Richland Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ferguson Rd over Ash Slough in Richland Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1984, making it 41 years old at the 2025 inventory.
- It carries about 100 vehicles a day (traffic count year 1974).
- Its listed owner is the county highway agency.
- It is one of 137 of the 204 inventoried bridges in Richland Parish rated fair (67.2%); 20 (9.8%) 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 → (32.42039, -91.54831)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 5 | Fair condition |
Bridge details
| Structure | Steel culvert |
| Length | about 25 ft |
| Location | Logmi 8.97 Fr 1DE to |
| NBI structure number | 054232251913281 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Richland Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0020 over Old B Lafourche | 1968 | 38,890 | Fair |
| I0020 over Bayou Lafourche | 1968 | 38,890 | Fair |
| I0020 over Diversion Canal | 1968 | 38,890 | Fair |
| I0020 over Bayou Crew | 1968 | 38,890 | Fair |
| I0020 over Drain | 1968 | 38,890 | Fair |
| I0020 over Boeuf River | 1968 | 38,890 | Fair |
All bridges nearby: Richland Parish, LA bridge conditions · every bridge in Richland Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.