Yes, it can. A single broken slat usually doesn’t mean the whole bench is headed for the dump. I’ve fixed a few park benches, and most of the time it’s a straightforward job as long as the frame is still solid.
Start by checking the damage. If only one slat is cracked or split, you can replace just that piece. Look at how it’s attached. Many public benches use carriage bolts, lag screws, or tamper-resistant screws. If you’re working on your own bench, standard tools are fine. If it’s city or park property, report it to the local parks department or council—they usually have a maintenance crew for exactly this kind of repair.
Next, measure the old slat before removing it. Length, width, and thickness all matter because the new piece needs to sit flush with the others. Common materials are hardwood, pressure-treated wood, or recycled plastic lumber. If the bench is exposed to weather, choose something rot-resistant.
Remove the broken slat by unscrewing or unbolting it. If the fasteners are rusted, a little penetrating oil helps. Once it’s off, use it as a template if you can. Cut the new slat to size, drill holes to match the frame, and sand the edges lightly. If it’s wood, seal or paint all sides before installation so it doesn’t absorb moisture and rot early.
Attach the new slat with stainless steel or coated screws to avoid rust streaks. Don’t overtighten—secure is good, but too tight can split the wood. After it’s installed, check that it’s level with the neighboring slats. A small height difference can usually be sanded or adjusted with washers.
Honestly, one broken slat is very repairable. The main things are matching the material, using weather-resistant fasteners, and making sure the frame isn’t damaged. If the frame itself is cracked or badly rusted, that’s a bigger project—but a single slat is usually a simple fix.