The article contains the description of an efficient lightweight steel-reinforced concrete bridge superstructure. which includes metal blocks with a box-like section and reinforced concrete efficient roadway slab. Metal blocks are made of sheet perforated elements manufactured according to the no-waste technology. The blocks are interconnected as a single space bridge superstructure f... https://www.roneverhart.com/AMS-Neve-1073SPX-Single-Preamp-and-EQ-p33827/