I-35 at SH 123 Project
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I-35 at SH 123 Project

The I-35 at SH 123 project includes improvements to the northbound and southbound I-35 frontage roads and bridges at the San Marcos River. TxDOT anticipates periodic closures of the river at I-35 to complete the work. Recreational users along the San Marcos River will be notified in advance of any closures via shore signs and can sign up for additional project updates.

Funding

  • Construction cost: $107 million funded by CAMPO and TxDOT 

Schedule

  • Construction start: August 2021
  • Anticipated construction completion: late 2024, weather permitting

Contractor

  • Webber, LLC

Milestones

  • Completed: Reconstruct southbound I-35 frontage road north of SH 123, including the San Marcos bridge
  • Completed: Reconstruct northbound I-35 frontage road south of SH 123
  • Completed: Reconstruct northbound I-35 mainlanes
  • Completed: Reconstruct southbound I-35 mainlanes
  • Completed: Reconstruct the SH 123/I-35 intersection and C.M. Allen Parkway exit (#204B)
  • Finalize project (perform final paving and striping)

 

Project area