The concrete at the top left is brand new. The concrete sidewalk next to it could be 60 or more years old. Note it is not cracked; only the top layer has worn off. (Tim Carter) Perspective by Tim ...

Learn how to replace a damaged segment of sidewalk using concrete bags in this easy-to-follow DIY guide. With the right tools and techniques, you can repair your sidewalk efficiently and save on ...

Do you have a wide unsightly crack in your concrete sidewalk, driveway or patio? These tips will help you hide it — without making it look even worse.

Clover Hill, Md. A: Whether it’s a sidewalk or part of a patio, when one piece of concrete sinks and its neighbor does not, the uneven surface looks unsightly and causes a significant trip hazard.

The strength of a 4-inch-thick concrete sidewalk would be four times 3.0 or a total SN of 12. A 6-inch-thick driveway would be six times 3.0 or a total SN of 18.