Based　on　an　assembly　voided　slab-bridge　with　hinged　joints,　a　solid　model　of　an　assembly　voided　slab-bridge　with　the　span　of　8m　is　established　by　general　program　ANSYS.　The　failure　modes　of　a　hinged　joint　under　different　places　of　application　to　a　vehicle　load　(middle　load　and　bias　load)　are　studied,　such　as　the　failure　type,　failure　position　and　cracking　load.　The　results　show　that:　whatever　the　load　mode　is,　a　hinged　joint　is　destroyed　earlier　than　a　voided　slab.　Under　the　middle　load,　failure　position　is　the　interface　between　a　voided　slab　and　a　hinged　joint,　and　the　failure　type　is　bending　failure.　The　cracking　load　at　the　bottom　of　the　interface　between　a　voided　slab　and　a　hinged　joint　is　62kN　(0.88　times　of　a　vehicle　load),　and　the　crack　extend　to　the　top　of　an　interface　at　133kN　(1.90　times　of　a　vehicle　load).　Under　a　bias　load,　the　failure　position　is　inside　a　hinged　joint,　and　the　failure　type　is　shearing　failure.　The　cracking　load　at　top　of　a　hinged　joint　is　72kN　(1.03　times　of　a　vehicle　load),　and　the　crack　will　extend　to　the　bottom　of　a　hinged　joint　at　238kN　(3.40　times　of　a　vehicle　load).　According　to　the　comparison　of　two　different　load　modes,　the　middle　load　is　more　disadvantageous　for　the　hinged　joint　of　an　assembly　voided　slab　bridge.