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 ...

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 ...

Chicago's iconic "rat hole" in the Roscoe Village neighborhood is seen on Jan. 19, 2024. The sidewalk landmark was removed Wednesday, April 24, 2024, after city officials determined the section ...

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.