US0061 over Tchackchou Bayou
St. James Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US0061 over Tchackchou Bayou in St. James 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 1978, making it 47 years old at the 2025 inventory.
- It carries about 14,957 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 8 of the 26 inventoried bridges in St. James Parish rated good (30.8%); 1 (3.8%) 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 February 2023, 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 → (30.08841, -90.72081)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 100 ft |
| Location | US0061 |
| NBI structure number | 614700070503621 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2023 |
| 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 St. James Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over Blind River | 1975 | 49,274 | Fair |
| I0010 over Blind River | 1975 | 29,510 | Fair |
| LA0070 over Mississippi River | 1963 | 17,100 | Fair |
| US0061 over Blind River | 1977 | 14,957 | Fair |
| US0061 over Drain Canal | 1978 | 14,957 | Good |
| US0061 over Blind River | 1978 | 14,837 | Good |
All bridges nearby: St. James Parish, LA bridge conditions · every bridge in St. James Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.