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Operational media released by PressTV documents the deployment of high-capacity mobile cranes and specialized civil engineering crews at the B1 (Karaj Bilqan) Bridge site in Alborz Province. Following critical structural damage caused by precision airstrikes on April 2, 2026, the ongoing project highlights Iran's reliance on domestic engineering capabilities and modular construction methods to restore severed regional transit lines and counter infrastructure attrition.

Expert Insight:
By deploying mobile hydraulic lifting platforms and prefabricated concrete/steel deck segments, repair crews can bypass standard long-cycle curing requirements, accelerating the stabilization of high-altitude cable-stayed spans while operating under persistent threat profiles.

Hashtags:
#OSINT #DefenseAnalysis #MilitaryAnalysis #OpenSourceIntelligence #MilitaryForum #GlobalMilitaryForum #GrandMilitaryforum #B1Bridge #Karaj #AlborzProvince #BridgeReconstruction #InfrastructureResilience #CivilEngineering #IranConflict2026 #LogisticsRestoration

Credits:
Thanks to regional infrastructure monitoring groups, open-source satellite imagery analysts, and local transport networks for compiling verified logistics data and site recovery telemetry.

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Credits:
Source: Public domain / open-source footage — authenticity not independently verified.

Music Credits:
BTS Prolog · Kevin MacLeod
℗ Creative Commons Attribution 4.0 https://creativecommons.org/licenses/...

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Under Section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, or research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.

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Tech
Transcript
00:00In this footage, Iranian engineering crews are rebuilding the B-1, or Karaj Bilkan Bridge,
00:04in Albor's province after severe damage from reported U.S.-Israeli airstrikes in April
00:082026.
00:09Heavy cranes and construction teams work across the shattered sections of the 136-meter-tall
00:14cable-stayed bridge.
00:16Clearing debris and preparing replacement structures, the B-1 bridge spans the Karaj
00:20River and forms part of a major transport corridor near Tehran, making it an important
00:24link for civilian traffic and regional logistics.
00:27The original strikes reportedly severed the central deck, causing a partial collapse
00:31and shutting down a key route.
00:32Now, domestic engineers are using local equipment and materials to restore the structure.

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