I-35 at Theon Road (Ronald Reagan Boulevard)


The existing Theon Road (Ronald Reagan Boulevard) bridge will be replaced with new eastbound and westbound bridges. In addition, the project includes realigning County Road 311 and Ronald Reagan Boulevard to connect to the newly constructed bridges.

Need & Purpose
  • Improve safety and mobility
  • Replace an existing narrow bridge with bridges built to current standards
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 and a six-foot sidewalk
  • Realign CR 311 and Ronald Reagan Boulevard to connect to new bridges
  • Project development funded by the Williamson County Road Bond Program
  • Construction funded by Capital Area Metropolitan Planning Organization and TxDOT
  • Construction cost: $13.6 million
  • Finalize schematic and environmental documentation: anticipated winter 2016/2017
  • Begin Plans, Specifications and Estimates (PS&E): January 2016
  • Complete PS&E: anticipated early 2019
  • Construction letting: anticipated early 2019
  • Construction start: anticipated mid-2019
  • Construction completion: anticipated late 2020

Project Vicinity Map

I-35 at Theon Road (Ronald Reagan Boulevard)


Public Information Officer

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

(512) 832-7000