"maxdraught"=>"1.85","river:waterway_distance"=>"7.69","seamark:gate:category"=>"flood_barrage","seamark:gate:clearance_height"=>"999","seamark:gate:clearance_width"=>"4.95","seamark:information"=>"Normally open for shipping","seamark:name"=>"Nieuwerbrug, keersluis","seamark:source"=>"https://www.vaarweginformatie.nl/frp/main/#/geo/detail/EXCEPT_NAV_STRUCTURE/24433","seamark:type"=>"gate"