Construction set to begin on the Mission San Jose (680/238) Separation on Northbound and Southbound I-680 in Fremont on Monday, April 7, 2025
ALAMEDA COUNTY- Caltrans will begin work on the I-680 Mission San Jose (680/238) Separation Bridge Deck Rehabilitation Project on northbound and southbound I-680 at Mission San Jose (680/238) Separation in Fremont, starting Monday, April 7, 2025, with an estimated completion in Winter 2025. The project will improve safety and extend the life of the bridge by resurfacing the bridge deck, repair bridge approach slabs and replace the concrete barrier.
During construction work times, drivers should expect lane closures, shifting traffic patterns, and possible delays. Work is weather and schedule permitting.
Current Work Schedule:
- Intermittent nightly closures
- Monday to Friday: 8:00 PM – 5:00 AM
During these hours, motorist should expect ramp and lanes to be closed to traffic. Motorists should plan and use alternate routes.
Be Work Zone Alert and expect travel delays.
Caltrans will update its Twitter page at
https://twitter.com/CaltransD4 on the latest highway conditions, and drivers are encouraged to check out Caltrans Quickmap
http://quickmap.dot.ca.gov/
Motorists can also receive 24/7 highway condition information statewide by calling 1-800-427-ROAD or 1-800-427-7623.
Caltrans thanks the public for their patience and cooperation as we continue to improve California's transportation network.
Thank you for your patience as we work to maintain our state’s highways, bridges, and tunnels.
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