LA0016 over Natalbany River Relief
St. Helena Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0016 over Natalbany River Relief in St. Helena Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1992, making it 33 years old at the 2025 inventory.
- It carries about 4,942 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 82 of the 139 inventoried bridges in St. Helena Parish rated fair (59.0%); 12 (8.6%) 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 → (30.71281, -90.574)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 160 ft |
| Location | 5.2M E Jct LA441 & LA16 |
| NBI structure number | 624602620605191 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in St. Helena Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| LA0016 over Tickfaw River | 1992 | 5,293 | Fair |
| LA0016 over Killians Branch | 1992 | 5,293 | Fair |
| LA0010 over Joseph Branch | 1991 | 5,211 | Fair |
| LA0016 over Little Natalbany River | 1992 | 4,942 | Fair |
| LA0016 over Natalbany River | 1992 | 4,942 | Fair |
| LA0016 over Drain | 1997 | 4,844 | Fair |
All bridges nearby: St. Helena Parish, LA bridge conditions · every bridge in St. Helena Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.