LA0473 over Authur Creek Relief
Sabine Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0473 over Authur Creek Relief in Sabine Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1986, making it 39 years old at the 2025 inventory.
- It carries about 738 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 101 of the 195 inventoried bridges in Sabine Parish rated good (51.8%); 22 (11.3%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (31.30653, -93.5313)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 29 ft |
| Location | .7 Mi East of La 191 |
| NBI structure number | 084303570100711 |
| Condition class | Good |
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.