LA0174 over Bayou-san-patricio
Sabine Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0174 over Bayou-san-patricio in Sabine Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1977, making it 48 years old at the 2025 inventory.
- It carries about 1,099 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 22 of the 195 inventoried bridges in Sabine Parish rated poor (11.3%); 22 (11.3%) are rated poor.
- 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 → (31.7822, -93.6869)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 4 | Poor condition |
| Substructure | 4 | Poor condition |
Bridge details
| Structure | Concrete slab |
| Length | about 266 ft |
| Location | 0.44 M. E. of US 171 |
| NBI structure number | 084301120300441 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Sabine Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0171 over Phillips Creek | 1985 | 10,204 | Fair |
| US0171 over Harpoon Bayou Relief | 1985 | 10,204 | Fair |
| US0171 over Harpoon Bayou | 1985 | 10,204 | Fair |
| LA0006 over Blackwell Creek | 1966 | 7,429 | Fair |
| LA0006 over Phillips Creek | 1966 | 7,429 | Fair |
| LA0006 over Phillips Creek | 1966 | 7,429 | Fair |
All bridges nearby: Sabine Parish, LA bridge conditions · every bridge in Sabine Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.