3ds max 2011 model.
Bridge and ground textures - 8192px, water - 4096px, rocks - 2048 each
FBX with updated PBR textures materials included
MAX (Autodesk 3ds Max, filesize: 10.9 MB), OBJ (OBJ, filesize: 1.54 MB), FBX (Autodesk FBX, filesize: 2 MB), TEXTURES (Textures, filesize: 877 MB)