Westside Rd over North Branch Carman Crk
Sierra County, California · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Westside Rd over North Branch Carman Crk in Sierra County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- It was built in 1950, making it 75 years old at the 2025 inventory.
- It carries about 670 vehicles a day (traffic count year 1999).
- Its listed owner is the county highway agency.
- 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 → (39.6951, -120.4089)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 4 | Poor condition |
Bridge details
| Structure | Steel culvert |
| Length | about 61 ft |
| Location | 6.1 Mi N SR 89 & 49 |
| NBI structure number | 13C0038 |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
All bridges nearby: Sierra County, CA bridge conditions · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.