Bridge monitoring and safety weigh-in-motion systems for bridge protection and bridge traffic data collection, namely, electrical controllers, software for measuring weight and axle spacings, electric sensors, electric message signs, and imaging devices consisting of cameras; Weigh-in-motion systems for bridge protection, consisting of weigh-in-motion scales, weighing machines consisting of weight pads, portable weigh-in-motion scales, weighing machines consisting of portable weight pads, ele...