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By Theo Burman
Live News Reporter
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China's record-setting Huajiang Grand Canyon Bridge has entered a pivotal phase of safety and structural testing, marking a major milestone in the construction of the world's tallest bridge.
Spanning the cliffs of Guizhou Province, the bridge is designed to carry vehicles 625 meters above the canyon floor, equivalent to more than twice the height of the Eiffel Tower.
Why It Matters
The bridge represents a significant achievement in civil engineering and infrastructure development, underscoring China's ongoing effort to modernize its transportation networks in mountainous and remote areas. Its record height and advanced construction techniques have attracted global attention, both for the scale of the project and its engineering precision.
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What To Know
On August 25, engineers conducted a dynamic load test using a convoy of 16 trucks, each weighing 30 tons.
The trial was conducted to verify the bridge's performance under heavy vehicle loads and ensure its structural stability before it opens to the public. The test marks one of the final steps before the bridge becomes operational.
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The Huajiang Bridge is part of a larger infrastructure plan to connect previously isolated areas in southwestern China. It is expected to cut travel time between Liuzhi and Xifeng in Guizhou from five hours to just one.
Construction of the bridge began in 2022 and has progressed rapidly thanks to advanced design software, prefabrication technologies, and the use of drones and sensors to monitor structural integrity.
The bridge spans a total of 2,980 meters, and its main span reaches 1,420 meters, making it not only the tallest but also one of the longest suspension bridges in the world.
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The recent dynamic load test used multiple heavy-duty trucks to simulate real traffic conditions. Engineers monitored stress, vibration, and deflection in the structure using a network of sensors embedded throughout the bridge's framework.
The bridge's tallest tower reaches 332 meters, and the deck is suspended across the Huajiang Canyon at 625 meters above the Beipan River, setting a record for bridge deck height, according to BBC News.
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What People Are Saying
Mamdouh El-Badry, a professor of civil engineering at the University of Calgary, told Newsweek: "In other parts of the world, a project of this scale would typically take five to 10 years from groundbreaking to completion, depending on environmental, political, and logistical factors.
"For comparison, France's Millau Viaduct, one of the tallest in the world, took about three years to build following over a decade of planning and approvals. The Gordie Howe International Bridge, connecting Detroit to Windsor and planned to open for traffic in Fall 2025, would have taken over seven years from groundbreaking."
What Happens Next
Final calibration and monitoring tests will continue through September. If no irregularities are found, the bridge is expected to open to vehicle traffic by the end of October. The Chinese Ministry of Transport will oversee the final approval process and monitor operations in the first few months after opening.
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