A rail vehicle comprising: a bolster provided in an underframe forming a floor portion; and a bogie provided below the bolster, wherein the bolster includes: side beam abutting portions that are provided along a longitudinal direction of the rail vehicle, that are provided at both end portions of the underframe in a width direction, and that abut against side beams; a center beam abutting portion that is provided along the longitudinal direction of the rail vehicle, that is provided at a center portion of the underframe in the width direction, and that abuts against a center beam; and air spring abutting portions that are provided between the respective side beam abutting portions and the center beam abutting portion, and against which air springs provided in the bogie abut, and the air spring abutting portion includes a plurality of ribs formed radially from a substantially center portion of the air spring abutting portion by a machining process, characterized in that the air spring abutting portion includes: a longitudinal edge rib adjacent to the center beam abutting portion; a pair of width direction edge ribs provided along the width direction at both end portions of the air spring abutting portion in the longitudinal direction; an air spring center portion provided at the substantially center portion of the air spring abutting portion; a width direction linear rib and a width direction curved rib that connect the air spring center portion and the longitudinal edge rib and a longitudinal linear rib and a longitudinal curved rib that connect the air spring center portion and the width direction edge rib. a bolster provided in an underframe forming a floor portion; and a bogie provided below the bolster, wherein the bolster includes: side beam abutting portions that are provided along a longitudinal direction of the rail vehicle, that are provided at both end portions of the underframe in a width direction, and that abut against side beams; a center beam abutting portion that is provided along the longitudinal direction of the rail vehicle, that is provided at a center portion of the underframe in the width direction, and that abuts against a center beam; and air spring abutting portions that are provided between the respective side beam abutting portions and the center beam abutting portion, and against which air springs provided in the bogie abut, and the air spring abutting portion includes a plurality of ribs formed radially from a substantially center portion of the air spring abutting portion by a machining process, characterized in that side beam abutting portions that are provided along a longitudinal direction of the rail vehicle, that are provided at both end portions of the underframe in a width direction, and that abut against side beams; a center beam abutting portion that is provided along the longitudinal direction of the rail vehicle, that is provided at a center portion of the underframe in the width direction, and that abuts against a center beam; and air spring abutting portions that are provided between the respective side beam abutting portions and the center beam abutting portion, and against which air springs provided in the bogie abut, and the air spring abutting portion includes a plurality of ribs formed radially from a substantially center portion of the air spring abutting portion by a machining process, the air spring abutting portion includes: a longitudinal edge rib adjacent to the center beam abutting portion; a pair of width direction edge ribs provided along the width direction at both end portions of the air spring abutting portion in the longitudinal direction; an air spring center portion provided at the substantially center portion of the air spring abutting portion; a width direction linear rib and a width direction curved rib that connect the air spring center portion and the longitudinal edge rib and a longitudinal linear rib and a longitudinal curved rib that connect the air spring center portion and the width direction edge rib. a longitudinal edge rib adjacent to the center beam abutting portion; a pair of width direction edge ribs provided along the width direction at both end portions of the air spring abutting portion in the longitudinal direction; an air spring center portion provided at the substantially center portion of the air spring abutting portion; a width direction linear rib and a width direction curved rib that connect the air spring center portion and the longitudinal edge rib and a longitudinal linear rib and a longitudinal curved rib that connect the air spring center portion and the width direction edge rib.