Winding Road over Stanislaus River
Tuolumne County, California · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Winding Road over Stanislaus River in Tuolumne County, California, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1926, making it 99 years old at the 2025 inventory.
- It carries about 50 vehicles a day.
- It is one of 8 of the 125 inventoried bridges in Tuolumne County rated poor (6.4%); 8 (6.4%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: substructure 2 to 4.
- Its most recent inspection on record is dated September 2024, on a 24-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (38.30437, -120.23418)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 2 | 4 | Poor condition |
Bridge details
| Structure | Steel through truss |
| Length | about 166 ft |
| Location | No Data Entered |
| NBI structure number | 051652000001027 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| 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 |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Tuolumne County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mono Way over Sullivan Creek | 1991 | 25,060 | Poor |
| SR 108 over Sullivan Crk / Bergel Rd | 2004 | 20,800 | Fair |
| SR 108 over Hess Avenue | 2004 | 20,800 | Fair |
| SR 108 over Peaceful Oak Rd | 2013 | 20,800 | Good |
| SR 108 over Mono Way | 2013 | 20,800 | Fair |
| State Route 49 over Woods Creek | 1941 | 19,900 | Good |
All bridges nearby: Tuolumne County, CA bridge conditions · every bridge in Tuolumne County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.