SMRTR Science & EngineeringJul 14, 2026Interesting Engineering

These seven railway bridges pushed engineering to its limits

SMRTR summary

China dominates the list of the world's longest railway bridges, with the Danyang–Kunshan Grand Bridge leading at 164.8 km, built to carry high-speed trains at 350 km/h across floodplains while reducing flooding risks. Taiwan and Japan also feature elevated viaducts engineered for earthquake resistance and smooth high-speed operations.

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