Aluminum alloy bridge deck structure for overline bridge

The utility model provides an aluminum alloy bridge deck structure for overline bridge, including at least one bridge floor bottom plate that sets up side by side, the bridge floor bottom plate includes top panel, lower panel and the vertical supporting plates of at least one, vertical supporting plates's upper end with a top panel body coupling, the lower extreme with the panel is integrative down connects, the left end of panel is equipped with a first perpendicular limit of upwards extending down, just the first perpendicular limit medial surface of panel compares down the setting that more keeps left of the left end face of top panel. The top panel of bridge floor bottom plate and panel distribution straggly down make down the U -shaped groove that forms have the water conservancy diversion of catchmenting effect between panel and first perpendicular limit and the vertical supporting plates, prevent bridge floor bottom plate top panel ponding, also prevent to be dripped the overline bridge of being conven