Lozanos Rd over Auburn Ravine
Placer County, California · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lozanos Rd over Auburn Ravine in Placer 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 2007, making it 18 years old at the 2025 inventory.
- It carries about 1,561 vehicles a day (traffic count year 2006).
- Its listed owner is the county highway agency.
- It is one of 152 of the 349 inventoried bridges in Placer County rated good (43.6%); 16 (4.6%) 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 April 2023, on a 48-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 → (38.89079, -121.12451)
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 | Prestressed concrete multiple box beam |
| Length | about 91 ft |
| Location | Near Chili Hill Rd |
| NBI structure number | 19C0235 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the California department of transportation.
Busiest bridges in Placer County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Interstate 80 over Linda Creek | 1955 | 165,000 | Good |
| Interstate 80 over Miners Ravine | 1954 | 155,000 | Good |
| Interstate 80 over Rocklin Road | 1959 | 92,000 | Fair |
| Interstate 80 over Penryn Rock Springs Road | 1959 | 80,000 | Good |
| Interstate 80 over Werner Road | 1957 | 77,000 | Good |
| Interstate 80 over State Route 193 | 1959 | 77,000 | Fair |
All bridges nearby: Placer County, CA bridge conditions · every bridge in Placer County · California bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.