Cunningham Lane over West Walker River
Mono County, California · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cunningham Lane over West Walker River in Mono 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 1951, making it 74 years old at the 2025 inventory.
- It carries about 82 vehicles a day (traffic count year 2019).
- Its listed owner is the county highway agency.
- It is one of 3 of the 56 inventoried bridges in Mono County rated poor (5.4%); 3 (5.4%) 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 → (38.57974, -119.50689)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 4 | Poor condition |
| Superstructure | 6 | Satisfactory condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Timber through truss |
| Length | about 83 ft |
| Location | 0.3 Mi E Rt 395 Pm 112.5 |
| NBI structure number | 47C0012 |
| Condition class | Poor |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Mono County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| U.S. Highway 395 over Crooked Creek | 1970 | 13,100 | Fair |
| US Highway 395 SB over State Route 203 | 1969 | 9,500 | Fair |
| US Highway 395 SB over Mammoth Creek | 1969 | 8,450 | Good |
| U.S. Highway 395 over Roadside Drainage Ditch | 1989 | 7,450 | Good |
| US Highway 395 NB over Mammoth Creek | 1969 | 7,000 | Good |
| U.S. Highway 395 over West Walker River | 1987 | 6,950 | Good |
All bridges nearby: Mono County, CA bridge conditions · every bridge in Mono County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.