Interstate 80 westbound in Cass County is currently blocked by a jackknifed semi tractor trailer. Marne and Atlantic Fire were dispatched to the scene just before 6-a.m. at the 54 mile marker. Unknown is any injuries at this time.  The 49-mile marker was also blocked in both lanes westbound. (update 6:15)

Also, as of 6:09-a.m., I-80 westbound at the 64 mile marker was blocked in one lane on the bridge.