Stockton Channel Viaduct Bridge Improvements Project

The Stockton Channel Viaduct Bridge Improvements Project, managed by Caltrans District 10 in Stockton, California, involves the replacement of the northbound and southbound Stockton Channel Viaduct Bridges, identified as Bridge No. 29-0176L and Bridge No. 29-0176R. The scope of work is located in San Joaquin County, specifically on Interstate 5 from post mile 25.6 to 28.0 and State Route 4 from post mile 15.7 to 16.2. This project is categorized under NAICS code 237310 and was posted as a forecast on July 1, 2026. Environmental compliance has been addressed through a Notice of Determination filed by the California Transportation Commission, which concluded that the project will not have a significant environmental effect. This determination is supported by a Mitigated Negative Declaration and Addendum under the California Environmental Quality Act, with approved mitigation measures and a monitoring plan adopted as of June 2026. Primary points of contact for the project include Environmental Program Manager C. Scott Guidi and Associate Deputy Director Cherry Zamora.