Collapsible lightweight bridge

Lightweight bridge comprising at least one segment that:

• includes two parallel longitudinal beams;
• as well as
• a bridge deck that is attached to both longitudinal beams, and
• transverse elements that are present between the longitudinal beams and that at the ends are connected to the longitudinal beams,
• wherein:
• the two longitudinal beams are moveable between a use position in which the two longitudinal beams are spaced apart and a storage position in which the two longitudinal beams are against each other,
• the bridge deck is foldable or collapsible,
• the transverse elements are collapsible or retractable, in the operating position of the longitudinal beams, the transverse elements fare folded out or extended, with the bridge deck extending tightly between the two longitudinal beams, and in the storage position of the longitudinal beams, the transverse elements are folded or retracted, with the bridge deck folded between the two longitudinal beams, and
• the segment further comprises fixing means to fix the transverse elements in the unfolded or extended position.