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SB1 gas tax increase paying for bridge work at I-5 & 120 Bypass
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  Caltrans will improve and extend the service life of three bridges on Interstate 5 San Joaquin County, due to the gas tax funds from Senate Bill 1 (SB 1), the Road Repair and Accountability Act of 2017.

“This SB 1 project allows crews to perform proactive maintenance work to prevent aging and deterioration of the bridges,” said Caltrans Director Laurie Berman. “The project will benefit Bay Area commuters, motorists traveling to and from the cities of Stockton and Manteca, and truckers hauling commercial and agricultural goods with a safer and smoother commute.”

Work is scheduled to begin this week. Crews will work on the left and right bridges at the Smith Canal in Stockton, and the bridge at the I-5/State Route 120 Separation Overhead, just south of the city of Lathrop and west of the city of Manteca. More than 152,000 motorists per day use the bridges to reach their destination, and nearly 33,000 truckers per day use these segments of I-5. Approximately 80 percent of the trucks on the interstate have five-plus axles.

“Motorists traveling on Interstate 5 to downtown Stockton and the Stockton Arena rely on these bridges,” said Caltrans District 10 Director Dennis T. Agar. “This SB 1 project will keep the bridges in good condition, which is imperative for the region and our local truckers who are transporting livestock, cherries, almonds or other goods every day to businesses in San Joaquin County.”

This $3 million project has been awarded to Myers and Sons Construction, LP., of Sacramento, California. Crews will improve the bridges by applying a coating to the concrete bridge decks to extend the life of the pavement quality, replace the joint seals, replace the approach on the SR-120 overhead, and replace the Smith Canal bridge approach slab.  

Work will occur during the night, Monday through Friday, and motorists will encounter lane and ramp closures. Motorists are encouraged to plan ahead, use alternate routes, and Be Work Zone Alert.

Work schedule is subject to change due to traffic incidents, weather, availability of equipment and/or materials, and/or construction-related issues. More information and updates on projects can be found at or on Twitter via @CaltransDist10.  

SB 1 provides an ongoing funding increase of approximately $1.8 billion annually for the maintenance and rehabilitation of the state highway system. SB 1 funds will enable Caltrans to fix more than 17,000 lane miles of pavement, 500 bridges and 55,000 culverts by 2027.