PROJECT INFORMATION:
This project will replace the Los Carneros Overhead Bridge over the Union Pacific Railroad which was built in the 1960s. Like many bridges of that era, it was constructed using a concrete mix that contained “reactive aggregate.” Years of use and water intrusion are the catalysts for the reaction that separates the concrete from the reinforcing steel until it must be replaced to maintain the safety of the structure.

The Los Carneros Bridge Project will not just replace the current bridge over the railroad; it will widen and upgrade the structure to improve safety and traffic flow, add bike and pedestrian features, and be built using sophisticated technology and construction techniques.

The project will provide two through lanes in each direction and a dedicated right-turn lane for entering the on-ramp to southbound Highway 101. This will improve flow for both through traffic and on-ramp traffic.

The project will only replace the bridge over the railroad and not the bridge over the freeway.

CLOSURES:
The project will affect only the southbound on- and off-ramps. Using staggered directional closures, the bridge will be replaced a half at a time. The current Los Carneros Bridge will be reduced to one lane in each direction for a significant portion of the 20 months needed to complete the project. The southbound on- and off-ramps will each close as needed concurrent with work.

MORE INFORMATION: 
http://www.loscarnerosbridgeproject.com/

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