I0010 over Duncan Canal
Jefferson Parish, Louisiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I0010 over Duncan Canal in Jefferson 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 1967, making it 58 years old at the 2025 inventory.
- It carries about 126,119 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 226 of the 381 inventoried bridges in Jefferson Parish rated good (59.3%); 16 (4.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated fair in the 2024 inventory and is now good (deck 6 to 7, superstructure 6 to 7, substructure 6 to 7).
- Its most recent inspection on record is dated July 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 → (30.00915, -90.2454)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 7 | Good condition |
| Superstructure | 6 | 7 | Good condition |
| Substructure | 6 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 225 ft |
| Location | 2.7 Mi East of I-310 |
| NBI structure number | 022604501501901 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Jefferson Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over Vet Mem Hwy | 1967 | 137,542 | Poor |
| I0010 over Transcontinental Dr. | 1967 | 137,542 | Good |
| I0010 over Suburban Canal | 1967 | 137,542 | Good |
| I0010 over Canal No. 17 | 1971 | 126,119 | Good |
| I0010 over Loyola Ave. | 1971 | 126,119 | Fair |
| I0010 over Canal No. 19 | 1971 | 126,119 | Good |
All bridges nearby: Jefferson Parish, LA bridge conditions · every bridge in Jefferson Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.