Skip to main content

I-35 from Rundberg Lane to US 290 East


This project includes mainlane and frontage road reconstruction and the addition of three new direct connectors, or flyovers, at US 183. The project, which improves connectivity between I-35 and US 183, also includes reconstruction of the St. Johns Avenue bridge, the addition of frontage road U-turns on both sides, collector-distributor roads–or intersection bypass lanes–under St. Johns Avenue in both directions, auxiliary lanes–or extended entrance/exit lanes–and ramp and shoulder improvements.

Need & Purpose

  • Improve safety and mobility

Project Description

  • Add three flyovers at the I-35/US 183 interchange from:
    • I-35 southbound to US 183 southbound
    • US 183 northbound to I-35 northbound
    • I-35 southbound to US 183 northbound
  • Improve the existing I-35 northbound to US 183 northbound flyover
  • Rebuild St. Johns Avenue bridge
    • Construct new frontage road U-turn in both directions
    • Construct new intersection bypass lane under the St. Johns bridge in both directions
  • Add extended entrance/exit ramps
  • Reconfigure and improve ramps and shoulders
  • Improve bicycle and pedestrian accommodations


  • Project development funded by TxDOT
  • Construction funded by Texas Clear Lanes Congestion Relief Initiative
  • Construction cost: $124.2 million


  • Finalized schematic and environmental documentation: August 2016
  • Begin Plans, Specifications and Estimates (PS&E): March 2016
  • Complete PS&E: mid-2017
  • Construction letting: late 2017
  • Construction start: January 2018
  • Construction completion: September 2022

Get Involved


Project Vicinity Map

Rundberg Lane to US 290 East map


Public Information Officer
(512) 832-7000

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

©2022 Texas Department of Transportation • All Rights Reserved