I0010 over La 30
Ascension Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I0010 over La 30 in Ascension 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 1975, making it 50 years old at the 2025 inventory.
- It carries about 25,735 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 100 of the 216 inventoried bridges in Ascension Parish rated fair (46.3%); 26 (12.0%) 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 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 → (30.21102, -90.94717)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 307 ft |
| Location | I0010 |
| NBI structure number | 610304501109272 |
| 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 Ascension Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over Drain | 1975 | 60,802 | Fair |
| I0010 over La 73 | 1975 | 60,802 | Fair |
| I0010 over Drain | 1975 | 60,802 | Good |
| I0010 over Drain | 1975 | 60,802 | Good |
| I0010 over LA429/Cornerview Rd | 1975 | 60,802 | Fair |
| I0010 over Drain | 1975 | 60,802 | Good |
All bridges nearby: Ascension Parish, LA bridge conditions · every bridge in Ascension Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.