Check out biridge 1 stone bridge Low-poly 3D model on CGTrader for $19. High-quality mesh by icekazim: 860 polys, 520 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 15.4 MB), BLEND (Blender, filesize: 15.4 MB), FBX (Autodesk FBX, filesize: 15.4 MB)