La0010-s over Raby Branch
St. Helena Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- La0010-s over Raby Branch in St. Helena Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1959, making it 66 years old at the 2025 inventory.
- It carries about 225 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.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2024, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (30.82348, -90.65987)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete slab |
| Length | about 39 ft |
| Location | 0.5M East of La 43 |
| NBI structure number | 624608461200501 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
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 Relief | 1992 | 4,942 | Fair |
| LA0016 over Natalbany River | 1992 | 4,942 | 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.