Yes—on most urban benches, the slats can be replaced individually when they break. The key is the mounting system. Look underneath the seat: if the slats are bolted or screwed to a metal frame, a single damaged slat can usually be swapped out without replacing the whole bench. Wood, metal, and composite slats are often designed as separate modules, so city maintenance teams and property owners can replace only what is damaged.
First, check the fasteners. Hex-head bolts, carriage bolts, or tamper-resistant screws are common. If you see welds, the job becomes more difficult, but most public benches use mechanical fasteners. Measure the length, width, thickness, and hole spacing before ordering a new slat. If you can, source the replacement from the original manufacturer or a commercial site-furniture supplier to match the profile and finish.
Next, use stainless steel or coated hardware for outdoor use. If the bench is in a public space, security fasteners can help prevent theft or vandalism. After installation, touch up any exposed metal with paint or rust inhibitor. For wood slats, sand the edges and apply a weather-resistant finish so the new slat blends in.
Individual replacement is usually the cheapest and fastest repair. You only need to replace the full bench or a complete slat set if several slats are damaged or the frame itself is rusted through. But for one cracked or broken slat, the answer is almost always yes—it can be replaced individually.