Short answer: yes, rounded-edge urban trash cans often hold up better than square ones in everyday street conditions—but the shape is only part of the story. I’ve seen both rounded and square bins fail, and I’ve seen both last for years. The difference usually comes down to materials, wall thickness, welds, fasteners, coating, and how often the bin is cleaned and repaired.
The main advantage of rounded edge trash cans is that they eliminate sharp corners and tight inside angles. Those corners are where impact damage, rust, dirt, and stress tend to collect. A rounded rim or body is less likely to chip, dent, or get caught on a collection truck, a street sweeper, or someone’s bag. It’s also easier to wipe down, which matters for urban bin maintenance. In busy public spaces, bins get bumped, kicked, and washed constantly, so a design that sheds dirt and resists edge damage can look better for longer.
Square bins still have real strengths. They fit neatly against walls, hold more volume in tight footprints, and are often cheaper to fabricate. A well-made square bin with reinforced corners, thick steel or durable plastic, and good powder coating can be just as tough as a rounded one. In fact, square trash cans durability often depends on hidden details: whether the corners are welded properly, whether the base drains, and whether the lid and liner system hold up to repeated use.
So, do rounded edges win? For public waste bin design, I’d say they have a slight edge in high-traffic, high-abuse locations—especially where safety, cleaning, and impact resistance matter. Rounded edge trash cans are less likely to catch clothing, scrape vehicles, or collect grime in sharp corners. But if the budget is tight and the square bin is better engineered, the square version can absolutely outlast a poorly made rounded one.
My practical advice: don’t choose by shape alone. Pick a bin with a durable body, replaceable parts, drainage, and a finish suited to your climate. Check how it’s emptied and cleaned. If all else is equal, rounded urban trash cans usually age a little more gracefully. If all else isn’t equal, the better-built bin wins—whether it’s round or square.