Low clearance bridges in San Francisco County, California
24 spots where an interstate or US highway in San Francisco County has less than 16 ft of clearance, lowest first. The lowest is 13 ft 10 in on I-80, 04-SF-080-7.85L-SF. 2 are under 14 ft and 11 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 |
|---|---|---|
| 13 ft 10 in | Over Yerba Buena Island · 04-SF-080-7.85L-SF · Map | I-80 |
| 13 ft 10 in | Over Yerba Buena Island · 04-SF-080-7.85L-SF · Map | I-80 |
| 14 ft 0 in | Under Baden Street · 04-SF-280-R2.47-SF · Map | I-280 |
| 14 ft 0 in | Under I-280 - 101S (Wu) · 04-SF-101-1.48-SF · Map | US-101 |
| 14 ft 4 in | Over I-80 & US 101 Ramps STRS · 04-SF-101-R4.25L-SF · Map | US-101 |
| 14 ft 6 in | Under Geneva Avenue · 04-SF-280-R1.65-SF · Map | I-280 |
| 14 ft 6 in | Over Toll Plaza Undercrossing · 04-SF-101-9.85 · Map | US-101 |
| 14 ft 9 in | Over Bayshore Viaduct · 04-SF-101-4.12-SF · Map | US-101 |
| 14 ft 11 in | Over Gate San Francisco Bay · 04-SF-080-R7.91-SF · Map | I-80 |
| 14 ft 11 in | Over Caltrain Union Pacific Railroad City STS · 04-SF-280-R4.40L-SF · Map | I-280 |
| 14 ft 11 in | Under 23rd Street · 04-SF-101-3.37-SF · Map | US-101 |
| 15 ft 1 in | Under Pedestrian Walkway · 04-SF-280-R3.53-SF · Map | I-280 |
| 15 ft 1 in | Under Silver Avenue · 04-SF-101-1.77-SF · Map | US-101 |
| 15 ft 2 in | Over 280 / 101 Interchange · 04-SF-280-R4.18L-SF · Map | I-280 |
| 15 ft 3 in | Under Ocean Avenue Munirail · 04-SF-280-R1.77-SF · Map | I-280 |
| 15 ft 5 in | Under Mission Street · 04-SF-280-R3.11-SF · Map | I-280 |
| 15 ft 6 in | Under Paulding / Judson Street · 04-SF-280-R2.21-SF · Map | I-280 |
| 15 ft 6 in | Under 18th Street · 04-SF-280-R6.57-SF · Map | I-280 |
| 15 ft 8 in | Under 22nd Street Poc · 04-SF-101-3.53-SF · Map | US-101 |
| 15 ft 10 in | Under Justin Drive · 04-SF-280-R3.23-SF · Map | I-280 |
| 15 ft 10 in | Under Pedestrian Walkway · 04-SF-280-R2.04-SF · Map | I-280 |
| 15 ft 10 in | Under 25th St Poc · 04-SF-101-3.22-SF · Map | US-101 |
| 15 ft 10 in | Under Bayshore Boulevard · 04-SF-101-0.56-SF · Map | US-101 |
| 15 ft 11 in | Under Alemany Boulevard SB · 04-SF-280-R3.28-SF · Map | I-280 |