Caltrans will close SR-4 from Tracy Boulevard to the county line on May 31, 2026, for bridge work. - Full closure from 7 a.m.
to 7 p.m. on Sunday, May 31.
- Detour routes for westbound and eastbound travelers. - Local access only for residents, emergency vehicles, and businesses.
- $8 million project includes bridge deck overlay, guardrails, and painting. Delays of about 30 minutes are expected.
The project is scheduled to complete by November 10, 2026.