Here are the directions to avoid the bridge:
Take exit 28b to the top of the ramp and turn right. You will drive past the Inn and drive past the giant flea market sign. Take a right on to Merrifield Road.
When you come to a set of Railroad Tracks, stay to the left. At the stop sign, take a right onto Hoe Shop Road. At the next stop sign, take a right onto River Street. The campground is located at 152 River Street.