EXPLAINER
A have a look at the multimillion-dollar mega constructions that might be threatened by Trump’s ‘Bridge Day’ ultimatum.
Revealed On 6 Apr 2026
United States President Donald Trump has threatened to unleash “Hell” on Iran by demolishing its important infrastructure, together with its bridges and energy crops, if it doesn’t open the Strait of Hormuz by early on Wednesday in Tehran.
Trump casually described his plans, which many consultants mentioned would quantity to battle crimes, as “Bridge Day” at a time when the US and Israel have already bombed a number of Iranian universities, hospitals, faculties, analysis centres and pharmaceutical firms.
Simply final week, a US double-tap strike obliterated the newly constructed B1 bridge in Karaj, a metropolis west of Tehran, killing eight civilians who have been picnicking beneath it as Iran celebrated Nowruz, the Persian New Yr. The B1 was an unfinished undertaking, but it was focused as a part of what analysts known as a method to “de-develop” the nation.
Now as one other of Trump’s deadlines over the Strait of Hormuz approaches, worldwide observers are sounding the alarm over the implications if the US president have been to certainly order the bombing of Iran’s bridges.
In keeping with Iran’s Bridge Management System (BMS), the nation has roughly 300,000 bridges and technical constructions. Solely about 185 bridges exceed 100m (330ft) in size, and a mere 42 bridges have a major span – the longest unsupported distance between two consecutive pillars – of greater than 50m (165ft).
Based mostly on their scale and financial significance, listed here are 5 of Iran’s most distinguished bridges:
Persian Gulf Bridge (Qeshm Island)

- Location: Hormuzgan province
- Dimensions: 3.4km (2.1 miles) lengthy
- Standing: unfinished (15 to 18 % bodily progress)
- Background: The Persian Gulf Bridge was a “dream undertaking” for greater than 50 years, and floor was damaged in 2011. Whereas the bridge stays unfinished on account of funding hurdles, its large underwater foundations and caissons are in place. As soon as accomplished, it is going to join Qeshm Island – the biggest of Iran’s islands within the Gulf, believed to be dwelling to an underground missile arsenal – to Bandar Abbas, Iran’s largest mainland port.
- What’s in danger: Even in its present state, the bridge represents an funding of as much as $700m and is the centrepiece of the Worldwide North-South Transport Hall, which additionally consists of India and Russia. Focusing on its large concrete foundations would erase many years of nationwide planning and instantly strike at Chinese language-backed credit score strains, in impact killing Iran’s hopes of a direct hyperlink to the island from the mainland.
Lake Urmia Bridge (Shahid Kalantari Bridge)

- Location: between East and West Azerbaijan provinces
- Dimensions: 1.7km (1 mile) lengthy
- Background: inaugurated in November 2008 after 29 years of extremely complicated building as a result of hypersaline and muddy nature of the lake mattress
- What’s in danger: This bridge connects Tabriz and Urmia, slicing the driving distance between the cities from 240km to 130km (150 to 80 miles). Past severing civilian motion between two main provinces, destroying it may set off an ecological catastrophe by dumping 35km (22 miles) of metal pilings and concrete into an already shrinking lake.
Sadr Multilevel Expressway

- Location: Tehran
- Dimensions: 11km (7 miles) lengthy, supported by 234 pillars
- Background: Inaugurated in November 2013, the bridge is the eleventh highest on the planet and the longest multilevel bridge within the Center East.
- What’s in danger: Constructed completely by Iranian engineers regardless of sanctions, it is a day by day commuter artery for tens of millions of individuals in Tehran. An assault right here may trigger large city casualties, destroy a key artery for the capital’s transport system and plunge Tehran’s emergency evacuation methods into chaos.
Karun 4 Arch Bridge

- Location: Chaharmahal and Bakhtiari province
- Dimensions: 378 metres (1,240ft) lengthy, 3,800 tonnes
- Background: Designed and constructed completely by Iranian consultants, the bridge was inaugurated in 2015.
- What’s in danger: As Iran’s longest arch bridge, it’s a essential route between Shahr-e-Kord and Izeh. As a result of it’s suspended instantly over a dam reservoir and is positioned near the dam, bombing it dangers inflicting secondary harm to the hydroelectric facility, doubtlessly resulting in deadly flooding for downstream communities.
Ghadir Cable-stayed Bridge (eighth Bridge)
![Photo showing A-shaped pylons of the Ghadir Bridge in Ahvaz [Courtesy of Creative Commons]](https://www.aljazeera.com/wp-content/uploads/2026/04/Ahvaz_-_Karoun_-_Ghadir_Bridge_-_panoramio-1775471353.jpg?w=770&resize=770%2C544&quality=80)
- Location: Ahvaz, Khuzestan province
- Dimensions: 1,014 metres (3,327ft) lengthy, 22 metres (72ft) large
- Background: Development started in 2005, and the bridge was totally opened to the general public in early 2012.
- What’s in danger: Spanning the Karun River, this bridge is within the coronary heart of Ahvaz. Town is the centre of Iran’s oil and metal sectors. Destroying this construction would reduce the town in two, choking off the day by day motion of households and emergency companies in a province already battered by air strikes.
