Calaveritas Rd over Willow Creek
Calaveras County, California · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Calaveritas Rd over Willow Creek in Calaveras County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1925 and reconstructed in 1962, making it 100 years old at the 2025 inventory.
- It carries about 256 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 6 of the 108 inventoried bridges in Calaveras County rated poor (5.6%); 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 February 2025, on a 24-month routine inspection cycle.
- 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 → (38.17717, -120.65016)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 4 | Poor condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Concrete tee beam |
| Length | about 25 ft |
| Location | 1.2 Mi S of Mountain Ra R |
| NBI structure number | 30C0053 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | February 2025 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
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.