US0090 over Bayou Osier
Calcasieu Parish, Louisiana · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US0090 over Bayou Osier in Calcasieu Parish, Louisiana, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 6,080 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 39 of the 462 inventoried bridges in Calcasieu Parish rated poor (8.4%); 39 (8.4%) are rated poor.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (30.23492, -93.17709)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Concrete culvert |
| Length | about 26 ft |
| Location | 0.9 Mi W of I-210 |
| NBI structure number | 071000030501001 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Calcasieu Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0010 over Sabine Relief | 1954 | 86,969 | Poor |
| I0010 over Gum Gully | 1966 | 86,969 | Fair |
| I0010 over Vinton Canal | 1966 | 86,969 | Fair |
| I0010 over Hamptons Coulee | 1966 | 86,969 | Fair |
| I0010 over Coone Gully | 1965 | 86,969 | Fair |
| I0010 over Drain | 1966 | 86,969 | Fair |
All bridges nearby: Calcasieu Parish, LA bridge conditions · every bridge in Calcasieu Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.