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Traylor, as the sponsoring partner of Ship Channel Constructors LLC (SCC), a joint venture with Zachry Construction Corporation, is leading the Sam Houston Tollway Ship Channel Bridge Replacement project near Houston, Texas. The project involves constructing twin landmark cable-stayed bridges to replace the existing structure while maintaining traffic flow on one of the region’s busiest waterways and roadways. The new bridges will remove foundations from the channel, paving the way for widening and deepening efforts that will accommodate supertankers and mega vessels, advancing Harris County’s shipping industry.
The southbound bridge, being built first adjacent to the existing bridge, incorporates innovative designs and construction techniques drawn from previous cable-stayed bridge projects. The main span features composite steel girders with precast deck panels, while the approach bridges progressed steadily, with girder setting on the south approach completed in February 2022 and overall approach construction finishing in late 2023.
In 2023, the team introduced new methods to simplify construction, such as using precast components to streamline work on the bridge pylons. These innovations saved time and reduced the need for temporary supports. The southbound bridge is expected to be completed by the end of 2025. Afterward, the existing bridge will be demolished to make room for the northbound bridge, scheduled for completion in 2028.
