Highway Intersection Road Bridge Low-poly (Polygon mesh 3D model) is available on CGTrader for $12. Original author: LAZEGE. Specs: 772129 polys, 713089 verts.
OBJ (OBJ, filesize: 113 MB), MAX (Autodesk 3ds Max, filesize: 64.5 MB), FBX (Autodesk FBX, filesize: 265 MB), TEXTURES (Textures, filesize: 75.5 MB), PNG (PNG, filesize: 75.5 MB), JPG (JPG, filesize: 75.5 MB)