So i gavemy mates this map to try they loved it apart from there is a hole right in the middle of the map from 1 side to the other. I said "Well yea i want it like the" they said "add a bridge". So i made a new box in gmax no name. Made it the right size add texture then put it on the right spot. every thing was working until i load it in sapain. No bridge ??? Help plz i want it so it shows up plz

Attach the bridge to the original map geometry and make sure the level follows the sealed world rules before exporting it again. You might have to delete some geometry on your original mesh to avoid errors such as co-planar faces, double edges, and so on.