LA0516 over Black Lake Bayou Relief
Bienville Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0516 over Black Lake Bayou Relief in Bienville Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2016, making it 9 years old at the 2025 inventory.
- It carries about 177 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 37 of the 190 inventoried bridges in Bienville Parish rated good (19.5%); 53 (27.9%) 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 October 2024, on a 24-month routine inspection cycle.
- 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 → (32.40617, -93.152)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 140 ft |
| Location | 4.8 Mi. E. of La 792 |
| NBI structure number | 040700000040433 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Bienville Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0020 over Black Lake Bayou | 1960 | 37,514 | Fair |
| I0020 over Black Lake Bayou | 1960 | 37,514 | Fair |
| I0020 over Crows CR Relief | 1960 | 37,514 | Fair |
| I0020 over Crows CR Relief | 1960 | 37,514 | Poor |
| I0020 over Bear CR Relief | 1964 | 37,514 | Fair |
| I0020 over Bear CR Relief | 1964 | 37,514 | Fair |
All bridges nearby: Bienville Parish, LA bridge conditions · every bridge in Bienville Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.