US0090 over B.Caroline & B.Alligator
Assumption Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US0090 over B.Caroline & B.Alligator in Assumption 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 1998, making it 27 years old at the 2025 inventory.
- It carries about 10,035 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 27 of the 68 inventoried bridges in Assumption Parish rated fair (39.7%); 9 (13.2%) 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 → (29.66809, -91.05314)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 12,074 ft |
| Location | .84 MI W of LA 662 |
| NBI structure number | 610404240601002 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Assumption Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US0090 over Ground | 1998 | 12,192 | Good |
| US0090 over West Bound Ramp (off) | 1998 | 12,192 | Good |
| US0090 over East Bound Off Ramp | 1996 | 12,192 | Good |
| US0090 over Westbound on Ramp | 1998 | 12,192 | Good |
| US0090 over Ongoing Ramp B.e. | 1999 | 12,192 | Good |
| US0090 over Offgoing Ramp A.e. | 1999 | 12,192 | Good |
All bridges nearby: Assumption Parish, LA bridge conditions · every bridge in Assumption Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.