# 1918.25 Bridge plates and ramps (See also § 1918.86).(a) *Bridge and car plates (dockboards).* Bridge and car plates used afloat shall be well maintained and shall:(1) Be strong enough to support the loads imposed on them;(2) Be secured or equipped with devices to prevent their dislodgement;(3) Be equipped with hand holds or other effective means to permit safe handling; and(4) Be designed, constructed, and maintained to prevent vehicles from running off the edge. <sup>3</sup>[^]<sup>3</sup> When the gap to be bridged is greater than 36 inches (.91m), an acceptalbe means of preventing vehicles from running off the edge is a minimum side board height of two and three-quarter inches.(b) *Portable ramps.* Portable ramps used afloat shall be well maintained and shall:(1) Be strong enough to support the loads imposed on them;(2) Be equipped with a railing meeting the requirements of § 1918.21(b), if the slope is more than 20 degrees to the horizontal or if employees could fall more than four feet (1.22 m);(3) Be equipped with a slip resistant surface;(4) Be properly secured; and(5) Be designed, constructed, and maintained to prevent vehicles from running off the edge. <sup>4</sup>[^]<sup>4</sup> When the gap to be bridged is greater than 36 inches (.91m), an acceptable means of preventing vehicles from running off the edge is a minimum side board height of two and three-quarter inches.[62 FR 40202, July 25, 1997, as amended at 65 FR 40944, June 30, 2000]