LA0903 over Black Bayou
Concordia Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0903 over Black Bayou in Concordia Parish, Louisiana, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1996, making it 29 years old at the 2025 inventory.
- It carries about 2,031 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 16 of the 42 inventoried bridges in Concordia Parish rated good (38.1%); 6 (14.3%) 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 → (31.63932, -91.5767)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 200 ft |
| Location | 1.36 Mi West of US 65 |
| NBI structure number | 581508151401361 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Concordia Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0065 over Mississippi River | 1940 | 21,661 | Fair |
| US0065 over Mississippi River | 1989 | 20,933 | Fair |
| US0084 over Black River | 2009 | 7,080 | Fair |
| US0084 over Caney Bayou | 1932 | 6,163 | Poor |
| US0084 over Cross Bayou | 1977 | 6,163 | Good |
| US0065 over Carroll Bayou | 1981 | 5,796 | Good |
All bridges nearby: Concordia Parish, LA bridge conditions · every bridge in Concordia Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.