(Michigan City, IN) - A man is accused of driving drunk when he crashed through the main gate at the Indiana State Prison.

62-year old Robert Merriman was still being held Friday in the La Porte County Jail.

According to Indiana State Police, the Winamac man was possibly intoxicated Tuesday night while traveling on U.S 421 in the Michigan City area. However, officers were not able to locate his Chevy Silverado.

A few minutes, police said he drove through the main prison gate on Michigan City’s west side. He had an alleged blood alcohol level of .14-percent.

Merriman is charged with Operating While Intoxicated and Criminal Trespass, both Class A misdemeanors.