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In a dramatic incident captured on video, Iran’s largest bridge near Tehran has collapsed, following reports of U.S. airstrikes. President Donald Trump disclosed the event on Thursday, urging the Iranian regime to enter negotiations before the situation worsens.
The B1 highway bridge, a crucial artery linking Tehran with the city of Karaj to the west, is noted as the tallest bridge in the Middle East. It was only opened to the public earlier this year.
Iranian state TV reportedly warned of potential retaliation, claiming the state’s military has identified multiple bridges in American-allied Middle East nations as targets, according to Iran International.
Trump shared a video on social media that showed towering smoke and debris in the aftermath of the bridge’s collapse.
The B1 bridge near Tehran fell after alleged U.S. airstrikes. (@realDonaldTrump/Truth Social)
“Iran’s biggest bridge has crumbled, never to be used again—more developments to come! Iran should seize the opportunity to negotiate before it’s too late and before there’s nothing left of a nation with great potential,” Trump commented on Truth Social.
The strike on the bridge was aimed at cutting drone and missile supply lines to Iranian firing units targeting U.S. and Israeli forces, Middle East outlet i24NEWS reported, citing sources.
Iranian state TV also said the bridge was hit twice, roughly an hour apart, resulting in civilian casualties, Fars News reported.
President Donald Trump pauses as he finishes speaking about the Iran war Wednesday, April 1, 2026, in Washington. (Alex Brandon-Pool/Getty Images)
“A few minutes ago, the American-Zionist enemy once again targeted the B1 bridge in Karaj,” the broadcast said, noting that the first strike killed two civilians.
Fars News also reported that other areas of Karaj were struck.
Iran’s IRGC reportedly identified several bridges in American-allied nations as potential targets after the collapse of the B1 bridge. (Morteza Nikoubazl/Nur Photo)
The outlet reported that Iran is considering plans to rebuild the bridge with the help of its engineers and experts.
In retaliation, Iran’s Islamic Revolutionary Guard Corps has reportedly identified several bridges in American-allied nations across the Middle East as potential targets, including infrastructure in Kuwait, Saudi Arabia, Bahrain, Abu Dhabi and the Jordan-West Bank region.