Phoenix Lake Rd over Sullivan Creek
Tuolumne County, California · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Phoenix Lake Rd over Sullivan Creek in Tuolumne County, California, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 2010, making it 15 years old at the 2025 inventory.
- It carries about 4,796 vehicles a day (traffic count year 2015).
- Its listed owner is the county highway agency.
- It is one of 72 of the 125 inventoried bridges in Tuolumne County rated fair (57.6%); 8 (6.4%) are rated poor.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (38.00955, -120.29393)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 5 | Fair condition |
Bridge details
| Structure | Prestressed concrete slab |
| Length | about 83 ft |
| Location | 4.1 Mi NE of SR 108 |
| NBI structure number | 32C0078 |
| Condition class | Fair |
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.