LA0641 over Mc Williams Pipeline Xin
St. James Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- LA0641 over Mc Williams Pipeline Xin in St. James Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1982, making it 43 years old at the 2025 inventory.
- It carries about 6,427 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 17 of the 26 inventoried bridges in St. James Parish rated fair (65.4%); 1 (3.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (substructure 7 to 6).
- Its most recent inspection on record is dated June 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (30.09265, -90.68546)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 129 ft |
| Location | La 641 1.4 Mi S of I-10 |
| NBI structure number | 614708470204201 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
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 Tchackchou Bayou | 1978 | 14,957 | Good |
| US0061 over Blind River | 1977 | 14,957 | Fair |
| US0061 over Drain Canal | 1978 | 14,957 | 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.