A service access walkway for a rotary mixer machine is provided. The service access walkway includes a first walkway section and a second walkway section pivotally coupled to the first walkway section by at least one hinge. The second walkway section is configured to pivot between a closed position and an open position. The service access walkway further includes a magnetic assembly configured to magnetically engage the second walkway section with the rotary mixer machine when the second walkway section is in the closed position.