Abstract: A bridge scraper is mounted on a main frame for vertical pivotal movement between a raised inoperative position and an operative position, where the bridge extends generally horizontally and is in wheeled engagement with an outer track of a dump, a scraper chain carried by the bridge extends along the bridge and in an operative position scrapes bulk material from the dump toward the main frame. A slope-breaking assembly is carried by the bridge and is engageable with the dump when the bridge is operative, a rocker mounted on the frame for vertical pivotal movement, has a counterweight arm extending away from the bridge, a linkage connecting the rocker to the bridge is arranged to hold the counterweight arm in a substantially horizontal position when the bridge is operative and imparts a downward pivotal movement to the counterweight arm as said bridge is raised. A bridge-actuating arrangement moves the bridge between inoperative and operative positions.