US Army Engineers Improved Ribbon Bridge Water
Photo credit: United States Navy
Ever wonder how military personnel transport tanks and other vehicles across small bodies of water? If so, then the US Army’s Improved Ribbon Bridge (IRB) system may be of interest. In addition to vehicles, it can also be used to transport weapon systems, troops and supplies over water when permanent bridges are not available. It’s usable on increased bank heights of more than 2.2 meters, while the improved folding and unfolding mechanism avoids cable breakage. Read more for two videos and additional information.



This system allows soldiers to cross water with higher banks much faster in contingency operations abroad and disaster relief recovery efforts at home. Commanders have the option to rapidly close distances and move critical capabilities as well as supplies by enabling formations to reliably cross gaps of still or moving water with currents of up to 10-feet per second.

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The modular, foldable, aluminium bridge system can be used as a floating bridge and a multi-bay ferry. It consists of ramp bays and interior bays, which can be disassembled and transported on aircraft, helicopter, trucks and railway cars,” according to the US Army.