play Live Sign upShow navigation menuplay Live Click here to searchsearchSign upEXPLAINEREconomy|ConflictIn maps and photos: Five Iranian civilian bridges at risk of US strikesA look at the multimillion-dollar mega structures that could be threatened by Trump’s ‘Bridge Day’ ultimatum.
twitterwhatsappcopylinkgoogleAdd Al Jazeera on GoogleinfoA bridge struck by US air strikes on April 2, 2026, is seen in the city of Karaj, west of Tehran [File: Vahid Salemi/AP]By Mohammad MansourPublished On 6 Apr 20266 Apr 2026United States President Donald Trump has threatened to unleash “Hell” on Iran by demolishing its critical infrastructure, including its bridges and power plants, if it does not open the Strait of Hormuz by early on Wednesday in Tehran.
Trump casually described his plans, which many experts said would amount to war crimes, as “Bridge Day” at a time when the US and Israel have already bombed multiple Iranian universities, hospitals, schools, research centres and pharmaceutical companies.
Just last week, a US double-tap strike obliterated the newly constructed B1 bridge in Karaj, a city west of Tehran, killing eight civilians who were picnicking under it as Iran celebrated Nowruz, the Persian New Year. The B1 was an unfinished project, yet it was targeted as part of what analysts called a strategy to “de-develop” the nation.
Now as another of Trump’s deadlines over the Strait of Hormuz approaches, international observers are sounding the alarm over the implications if the US president were to indeed order the bombing of Iran’s bridges.
According to Iran’s Bridge Management System (BMS), the country has roughly 300,000 bridges and technical structures. Only about 185 bridges exceed 100m (330ft) in length, and a mere 42 bridges have a main span – the longest unsupported distance between two consecutive pillars – of more than 50m (165ft).
Based on their scale and economic importance, here are five of Iran’s most prominent bridges:
