55 hr. Highway Closures on I-680 at the Mission San Jose (SR-238) Overpass in Fremont: Weekends of July 25 and August 8, 2025 for Bridge Rehabilitation Project
Cal Trans will close one direction at a time of Interstate 680 (I-680) at the I-680 and Mission San Jose (SR-238) Separation/Overpass in Fremont for two weekends to perform critical bridge and pavement work. Segment of Southbound I-680 will close the weekend of July 25, 2025, and will close a segment of Northbound I-680 weekend of August 8, 2025. All work is weather- and schedule-dependent, and motorists should plan ahead.
SOUTHBOUND I-680 FULL HIGHWAY CLOSURE ON THE WEEKEND OF JULY 25, 2025:
Full closure on SB I-680 is scheduled on the weekend of July 25, 2025. A segment of SB I-680 will be closed and traffic will be detoured through the Mission Blvd/SR-238 Off Ramp towards the I-680 On Ramp. Closures will start Friday July 25 at 10:00 PM and conclude on the following Monday July 28 at 5:00 AM.
SB I-680 DETOUR: Motorists traveling southbound on I-680 will need to exit right onto Mission Blvd/SR-238 Off Ramp and continue straight onto SB I-680 On-Ramp.
NORTHBOUND I-680 FULL HIGHWAY CLOSURE ON THE WEEKEND OF AUGUST 8, 2025:
Full closure on NB I-680 is scheduled on the weekend of August 8, 2025. A segment of NB I-680 will be closed and traffic will be detoured through the Mission Blvd/SR-238 Off Ramp towards Eastbound SR-84. Closures will start Friday August 8 at 10:00 PM and conclude on the following Monday August 11 at 5:00 AM.
NB I-680 DETOUR: Motorists traveling northbound on I-680 will need to exit right onto Mission Blvd/SR-238 Off-Ramp; Left towards NB Mission Blvd/SR-238; Continue on Mission Blvd/SR-238; Make a right onto Niles Canyon Rd (SR-84) and continue; Right onto NB I-680/SR-84 On-Ramp; Merge and continue onto NB I-680 towards Sacramento.
For general information on the project, please visit: dot.ca.gov/680DeckRehab
For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, please visit Caltrans QuickMap: http://quickmap.dot.ca.gov
