I0012 over I-55
Tangipahoa Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I0012 over I-55 in Tangipahoa Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1970, making it 55 years old at the 2025 inventory.
- It carries about 58,377 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 228 of the 477 inventoried bridges in Tangipahoa Parish rated fair (47.8%); 59 (12.4%) are rated poor.
- 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 → (30.47888, -90.4896)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 8 | Very good condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 310 ft |
| Location | I0012 |
| NBI structure number | 625304540304121 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Tangipahoa Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0012 over Yellow Water River Rel. | 1970 | 58,377 | Good |
| I0012 over Drainage | 1970 | 58,377 | Fair |
| I0012 over US 51 Bus | 1975 | 58,377 | Fair |
| I0012 over Icg Railroad | 1975 | 58,377 | Fair |
| I0012 over Ponchatoula Creek | 1975 | 58,377 | Fair |
| I0012 over LA 3158 (Airport Rd) | 1975 | 58,377 | Fair |
All bridges nearby: Tangipahoa Parish, LA bridge conditions · every bridge in Tangipahoa Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.