Low clearance bridges in San Luis Obispo County, California
15 spots where an interstate or US highway in San Luis Obispo County has less than 16 ft of clearance, lowest first. The lowest is 14 ft 9 in on US-101, 05-SLO-101-13.17-ARGD. 6 are under 15 ft.
Posted signs and your permit come first. These are the clearances California reported to the federal National Bridge Inventory in 2025. Repaving, snow and new work can lower them.
| Clearance | Where | Highway |
|---|---|---|
| 14 ft 9 in | Under Grand Avenue · 05-SLO-101-13.17-ARGD · Map | US-101 |
| 14 ft 10 in | Under Buena Vista Avenue · 05-SLO-101-29.99-SLO · Map | US-101 |
| 14 ft 10 in | Under State Route 1 · 05-SLO-001-16.77-SLO · Map | US-101 |
| 14 ft 11 in | Under Hinds Avenue · 05-SLO-101-16.62-PBCH · Map | US-101 |
| 14 ft 11 in | Under 13th Street · 05-SLO-101-56.88-PSRS · Map | US-101 |
| 14 ft 11 in | Under Fair Oaks Avenue · 05-SLO-101-12.80-ARGD · Map | US-101 |
| 15 ft 0 in | Under Santa Rosa Road · 05-SLO-101-44.01-ATAS · Map | US-101 |
| 15 ft 1 in | Under Union Pacific Railroad & Amtrak · 05-SLO-101-29.38-SLO · Map | US-101 |
| 15 ft 3 in | Under Curbaril Avenue · 05-SLO-101-44.84-ATAS · Map | US-101 |
| 15 ft 3 in | Under Madonna Road · 05-SLO-101-27.50-SLO · Map | US-101 |
| 15 ft 5 in | Under Los Osos Valley Road · 05-SLO-101-25.91-SLO · Map | US-101 |
| 15 ft 6 in | Under Vineyard Drive · 05-SLO-101-50.64 · Map | US-101 |
| 15 ft 8 in | Under California Boulevard · 05-SLO-101-29.40-SLO · Map | US-101 |
| 15 ft 8 in | Under Santa Barbara Road · 05-SLO-101-42.27 · Map | US-101 |
| 15 ft 9 in | Under San Anselmo Road · 05-SLO-101-46.87-ATAS · Map | US-101 |