Support 31 x 13 Girder, Trapezoid : Part 55767 | BrickLink
Björn Stjernvall on Twitter: "Custom #LEGO train bridge design made by me in the late hours of the night as a birthday present for the younger kid. Over 100 cm in length
LEGO Technic Bridge Girder SLJ 50018 (16 new Final cut) - YouTube