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I-35 at Ronald Reagan Boulevard (Theon Road)


The existing Ronald Reagan Boulevard (Theon Road) bridge was replaced with new eastbound and westbound bridges. In addition, the project realigned eastbound Ronald Reagan Boulevard to tie into the eastbound bridge.

Need & Purpose

  • Improve safety and mobility

Project Description

  • Replace existing two-way bridge at Ronald Reagan Boulevard with two separate eastbound and westbound one-way bridges. Both bridges will accommodate one travel lane, bike lane, and six-foot sidewalk.
  • Realign Ronald Reagan Boulevard and tie-in CR 311 to connect to the new bridges.


  • Project development funded by the Williamson County Road Bond Program
  • Construction funded by Capital Area Metropolitan Planning Organization and TxDOT
  • Construction cost: $12.3 million


  • Finalize schematic and environmental documentation: anticipated winter 2016/2017
  • Begin Plans, Specifications and Estimates (PS&E): January 2016
  • Complete PS&E: March 2019
  • Construction letting: March 2019
  • Construction start: June 2019
  • Construction completion: February 2022


Project Vicinity Map

Ronald Reagan Boulevard map


Public Information Officer
(512) 832-7000

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

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