I-35 lower deck shut down due to pieces of upper deck falling onto roadway

A portion of I-35 is completely shut down Tuesday night as large pieces of debris fell on the road.

The lower deck of 3400 block of North I-35 is shut down because large pieces of the upper deck have fallen into the roadway. 

The Austin Police Department shared the news on Twitter just before 8:00 p.m.

 They are advising drivers to expect traffic delays and avoid the area.