Asemi trailer full of soybeans was damaged by a fire on the side of Interstate 90/94 Monday night. Portage Fire Department were called to a report of a semi-trailer fire at 7 p.m. near an off ramp on the interstate south of the Baraboo River Waterfowl Production area where I-90 meets I-39. Portage Fire Chief Troy Haase said the driver of the semi-truck was able to disconnect the truck before it become engulfed in flames. The semi-trailer was carrying soybean seeds and began to spill onto the road as plastic totes carrying them melted.There were no reported injuries. While Portage Fire crews were on the way to the call they were advised the semi-trailer was fully engulfed in flames that was parked on the side of the interstate around 7 p.m. on Monday. Haase said the fire started by the dual wheels of the trailer which cause the flames to ignite the trailer.