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Posted on: January 31, 2019

SH 146 Expansion Updates

SH146 Video Image

For the latest SH146 project updates, visit

For real-time traffic and lane-closure updates, visit Houston TranStar and/or download their app from the App Store or Google Play.

The SH 146 Expansion Project will expand 146 in a fashion similar to other parts of the highway. Beginning at the Clear Creek Bride, the highway will be expanded northbound through Seabrook in the first phase. A new expressway bridge will be built west of and parallel to the Clear Creek Channel Bridge. The current bridge will remain and serve as a frontage road for motorists.

Specifically, the project will consist of the following:

  • Widen and restructure the existing highway to six lanes with four additional express lanes.
  • Add grade separations at major intersections.
  • Add access roads in selected locations.
  • Add express lanes over Clear Creek. is your information source for project and construction updates. While the website is maintained by the City of Seabrook, the expansion project is managed by TxDOT and their team.

SH146 Recent Updates
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