Along the just over 17-mile stretch is also where Austin Energy is reporting the most customers affected by outages according to their outage map.
APD says that drivers should avoid overpasses in all other areas and not travel unless necessary.
The National Weather Service has issued a Winter Weather Advisory for Central Texas until 12 a.m. on Friday, Feb 12. Residents in the area can expect blustery, rainy, and cold conditions across the area today.
Temperatures will remain nearly steady, with highs ranging from the lower 30s to lower 40s. North winds will be gusty from 15 to 25 mph. Some freezing rain may mix in with rain, especially across the Hill Country.
Track your local forecast for the Austin area quickly with the free FOX 7 WAPP. The design gives you radar, hourly, and 7-day weather information just by scrolling. Our weather alerts will warn you early and help you stay safe during storms.