One alternate, shown below, is to cross at Tecate and take the Tecate-Ensenada free road.
Time to get to Ensenada: Approximately 1 hour and 10 minutes
Overview: Enter Baja through the Tecate border, follow the signs to Ensenada
Another alternate route is to take the free road at La Misión.
View Photo Directions for Driving from Tecate to Ensenada
Click to view another alternate route: Free Road at La Misión