Low clearance bridges on I-8

8 spots where I-8 has less than 16 ft of clearance, in the order you drive them from west to east. The lowest is 14 ft 8 in in California, 11-SD-008-L2.36-SD. 2 are under 15 ft.

Posted signs and your permit come first. These are the clearances states reported to the federal National Bridge Inventory in 2025. Repaving, snow and new work can lower them.

Map of I-8 with a pin on each low spot.
Hover a pin to read it, tap it to find it in the list. © Mapbox © OpenStreetMap

California · 7 under 16 ft

ClearanceWhereCounty
15 ft 3 inOver MTDB BNSF Amtrak I-5 Pac · 11-SD-008-L2.36-SD · MapSan Diego County
14 ft 8 inOver MTDB BNSF Amtrak I-5 Con · 11-SD-008-L2.36-SD · MapSan Diego County
14 ft 8 inUnder W8-S5 & CDR Connect · 11-SD-008-L2.34-SD · MapSan Diego County
15 ft 3 inUnder S5-E8 Connector RP · 11-SD-005-R20.08-SD · MapSan Diego County
15 ft 7 inUnder Presidio Park Drive · 11-SD-008-0.95-SD · MapSan Diego County
15 ft 8 inUnder Texas Street · 11-SD-008-3.90-SD · MapSan Diego County
15 ft 5 inUnder Lake Murray Boulevard · 11-SD-008-9.59-LMSA · MapSan Diego County

Arizona · 1 under 16 ft

ClearanceWhereCounty
15 ft 11 inUnder SR 84 · At Junction SR 84 · MapPinal County