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World’s Tallest Bridge Clears Load Tests, Awaits Opening Approval

The 625-meter-high crossing in China’s Guizhou Province is set to shorten regional journeys once regulators sign off.

Overview

  • Engineers completed multi-day static and dynamic trials in late August, using a dense sensor network to track stress, vibration and deflection across the span.
  • Testing included a convoy on August 25 and separate runs using up to 96 trucks totaling more than 3,000 tons, according to outlets covering the program.
  • Project teams reported normal performance during the trials, with calibration and monitoring scheduled to continue through September.
  • The opening window remains unsettled, with some reports citing late September and others pointing to the end of October pending Chinese Ministry of Transport approval.
  • The bridge extends about 2,980 meters with a 1,420-meter main span and towers reaching 332 meters, completed in roughly three years at a reported cost near $283 million.