I-35 at Slaughter Creek Overpass


The existing Slaughter Creek Overpass will be replaced with a new bridge. A new southbound to northbound U-turn bridge will be added. The project will also widen the southbound frontage road to two lanes through the intersection and install safety lighting from Slaughter Lane to Onion Creek Parkway.

Need & Purpose
  • Improve safety and mobility, including addressing:
    • The existing bridge that is narrow and is frequently damaged by vehicles too large to properly make the U-turn movements
    • The existing bridge that does not meet modern vertical clearance standards over the I-35 mainlanes
Project Description
  • New overpass
  • New southbound to northbound U-turn
  • New safety lighting
  • Project development funded by TxDOT
  • Construction cost: $9.2 million
  • Completed Plans Specifications and Estimates (PS&E): December 2015
  • Construction letting: December2015
  • Construction start: May 2016
  • Construction completion: anticipated summer 2017
Project Activity

Project Vicinity Map

Slaughter Creek Overpass


Public Information Officer

TxDOT Austin District
P.O. Box 15426
Austin, TX 78761-5426

(512) 832-7000