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30kg TNT drone could collapse suspension bridge, study finds

By Drooid · Sep 21, 2026, 10:27 AM UTC · How we work

Summary

Story summary

Chinese scientists simulated a drone attack on a major suspension bridge to assess its vulnerability.
They found a 30kg (66lb) TNT drone could collapse the bridge if detonated inches from the main suspension cable.
The study noted bridge strikes in Russia’s war on Ukraine show a shift from mass firepower to precision strikes.
The researchers concluded modern bridges are extremely vulnerable to unconventional explosive attacks.

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Story summary

Chinese scientists simulated a drone attack on a major suspension bridge to assess its vulnerability.
They found a 30kg (66lb) TNT drone could collapse the bridge if detonated inches from the main suspension cable.
The study noted bridge strikes in Russia’s war on Ukraine show a shift from mass firepower to precision strikes.
The researchers concluded modern bridges are extremely vulnerable to unconventional explosive attacks.