On August 15, 1995, about 2400 hours Pacific daylight time, a Cessna 172F, N5563R, was substantially damaged during an emergency landing near Bradley, California. Neither the pilot nor his passenger were injured. Visual meteorological conditions prevailed for the departure from Porterville, California. However, instrument meteorological conditions existed at the destination, King City, California. No flight plan was filed. The pilot stated that he was diverting due to weather to an alternate airport when he ran out of fuel. The pilot was returning from a personal cross-country night flight. He stated that he did not refuel because he calculated that he had enough fuel for the return flight. Upon reaching his destination he found the airport was fogged in. He spent about 1/2 hour in the general area analyzing the situation and checking another private airstrip before diverting to another airport known to be vfr.