Old Bridge is a town in Middlesex County, New Jersey. Get in By bus New Jersey Transit buses have several stops in old Bridge, connecting to New Brunswick and other places. Suburban Transit (dead link: January 2023) bus lines 818 connect to and from New Brunswick. By car Old bridge can be accessed by NJ Route 18 and US Route 9. Get around See Do Old Bridge Township Raceway Park, 40.3331°, -74.3487°. auto racing events 2018-01-17 Buy Eat Drink Sleep Connect Go next