The Coast Guard is temporarily modifying the operating schedule that governs the draw of the California Department of Transportation (Route 4) highway bridge, mile 14.8 between Victoria Island and Byron Tract, CA. This action is necessary to allow the bridge owner to complete rehabilitation of the bridge after a continuing unexpected delay in installing We can't have and testing of the custom-made electronics.
Source: Federal Register USCG
Link: Drawbridge Operation Regulation; Old River, Between Victoria Island and Byron Tract, CA