According to a report in the NY Times, this tree toppled over in a fierce storm on Sunday 8 January 2017.,
Thursday 21 June, 2007
"The base of the tree (there was no immediate information on its height) was carved out in the 1880s, and it became a tourist attraction. Cars, once they became common, were allowed to drive through it, but in recent years, the tunnel was accessible only to hikers on a 1.5-mile loop through the park, according to the United States Forest Service"