The utility model discloses a dumbbell shape cross -section concrete filled steel tubular arch rib belongs to concrete filled steel tube arch bridge technical field. Including first body, second body,web and concrete: first body cross -section is seals the ring -type, second body cross -section is seals the ring -type, with first body parallel placement, different with first body cross -section and/or wall thickness, web quantity is two to arrange the parallel placement, first body surface and second body surface are connected respectively to the web both sides, and first body, second body and web three's cross -section constitutes dumbbell shape, the concrete: fill in first body and second body respectively to and fill in the closed passage that first body, second body and web three formed. Avoid thickness such as steel pipe, equal diameter because of dumbbell shape cross -section concrete filled steel tubular arch rib, and lead to the fact the waste and the atress unreasonable problem of material.