CatastrophiCreations has a bunch of awesome cat furniture for pet parents. Their Indiana Jones Style Roped Cat Bridge is sturdy enough to hold 85lb of weight. It allows your pet to fall sleep in the center of the bridge. Its slats are attached to 9″x 18″ platforms.
The piece has rustic twine roping as railing along the side. You can customize the length and color before ordering. More info is available here.