La0010-s over St Joseph Branch
St. Helena Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- La0010-s over St Joseph Branch in St. Helena Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 4 (poor 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 12 of the 139 inventoried bridges in St. Helena Parish rated poor (8.6%); 12 (8.6%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 12-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (30.82221, -90.6525)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 78 ft |
| Location | 1 mile east of LA 43 |
| NBI structure number | 624608461200951 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 12 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.