Webthe northbound frontage road from south 14th street to south 8th street is expected to be open and should help with traffic flow during the shift. Signage will be in. Webthe new southbound interstate 35 bridge over the brazos river is scheduled to start carrying southbound traffic overnight tuesday, march 9 into wednesday. Webwhat you need to know: Two traffic shifts are planned to move all northbound traffic to the newly reconstructed northbound mainlanes. The first shift will. Webpublished 9:20 am pdt, may 8, 2019. Waco, texas (ap) — chris garcia worries about the widening of interstate 35 near his front door. Webthe $300 million project stretches between 12th street and north loop 340, and will take four years to complete, the texas department of transportation said.