Winding Road over Nf Stanislaus River
Calaveras County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Winding Road over Nf Stanislaus River in Calaveras County, California, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1999, making it 26 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 39 of the 108 inventoried bridges in Calaveras County rated good (36.1%); 6 (5.6%) 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 September 2024, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (38.32175, -120.21742)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 182 ft |
| Location | No Data Entered |
| NBI structure number | 051652000001022 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Calaveras County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| State Route 4 over Murphys Grade Road | 2009 | 9,150 | Good |
| State Route 4 over Angels Creek | 2009 | 9,150 | Good |
| State Route 49 over Angels Creek | 1909 | 9,100 | Fair |
| State Route 49 over Cherokee Creek | 1941 | 8,050 | Good |
| State Route 12 over Lime Creek | 1939 | 8,000 | Fair |
| State Route 4 over Waterman Creek | 1941 | 7,900 | Fair |
All bridges nearby: Calaveras County, CA bridge conditions · every bridge in Calaveras County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.