Concrete walkways and steps you can trust underfoot

What makes a walkway feel safe

People adjust their stride to a surface within a step or two and then stop paying attention. Anything that breaks that rhythm causes a stumble: a panel that has lifted a fraction of an inch above its neighbor, a sudden change in slope, or one step that is taller than the rest. A good walkway is boring in the best sense. The surface is consistent, the grade changes gently, and the transitions to the driveway, the porch and the lawn are flush.

Width matters more than most people expect. A path that is comfortable for one person can feel tight when two walk side by side or when someone is rolling a trash bin or a wheelchair along it. If the walk leads to the front door, consider how it will look and work alongside the driveway and whether a wider landing near the door would help.

Steps: consistent height and depth

The most important thing about steps is that every riser is the same height and every tread is the same depth. Even a small difference between one step and the next is enough to trip someone, because feet expect the pattern to repeat. When a slope is steep, a contractor may break a long run of steps into shorter flights with landings between them, or use a gently sloped walk with occasional steps instead.

Treads should pitch slightly forward so water runs off rather than sitting on them, and they should have a textured finish for grip. The front edge of each step is the part most likely to chip, so ask how the nosing will be formed and finished. Local building rules may govern step dimensions and handrails in some situations; the city or county building office is the place to ask what applies to your project.

Sloped lots north of downtown

Much of north Columbus and the neighborhoods climbing toward Harris County sit on rolling Piedmont ground, and houses there often sit above or below the street. A front walk on that kind of lot is really a drainage structure as well as a path, because rain running down the yard will follow it. The walk should shed water to the side rather than channeling it toward the house or the porch, and the soil along its edges should be graded so runoff does not undercut it.

On steep sites the choice between a long sloping walk and a set of steps is partly about comfort and partly about the ground. Steps need a firm footing, especially the bottom step and any landing. On clay that swells and shrinks, or on fill that was placed when the lot was graded, that footing may need extra digging or a thicker base.

Sinking stoops and the gap at the porch

A familiar sight in older neighborhoods is a front stoop or the first panel of a walk that has dropped and tilted away from the house, leaving a gap at the porch or foundation. The usual cause is the loose backfill placed around the foundation when the house was built, which keeps settling for years, sometimes helped along by a gutter overflowing onto the same spot.

Small drops can sometimes be lifted back into place. Larger ones, or steps that have cracked away from the house, usually need to come out so the ground underneath can be dug out, compacted and rebuilt. A contractor should also look at the gutter or downspout above the stoop, because fixing the concrete without fixing the water often means repeating the job.

Tree roots and lifted panels

In neighborhoods with large oaks, magnolias and pines, roots are the most common reason a walk rises and cracks. As roots thicken, they lift panels at the joints and create exactly the kind of lip that catches a shoe. Repair choices include grinding down a small lip, lifting and resetting a panel, or rerouting the path around the tree. Cutting large roots to make room for new concrete can damage the tree, so it is worth weighing that decision carefully and, for a valued tree, getting an arborist’s opinion.

If the walkway is part of a public sidewalk along the street rather than on your own lot, check with the city or county before doing anything, because responsibility for repair and the rules for the work can differ.

Finishes, edges and lighting

A broom finish at right angles to the direction of travel gives the most grip and is the usual choice for walks and steps. Stamped patterns, colored borders and exposed aggregate can dress up a front entrance; just keep traction in mind for surfaces that are shaded or stay damp. Tooled edges resist chipping better than sharp ones.

If you want low path lights, step lights or a conduit under the walk for future wiring, say so before the pour. Running a sleeve under the concrete takes minutes during construction and saves cutting later.

Checklist for a walkway or steps quote

• Route, length and width, and how the walk connects to the driveway, porch and street.
• Number of steps, riser height, tread depth, and any landings.
• Removal of old concrete, pavers or stepping stones.
• Base preparation and any extra footing work under steps.
• Slope and drainage, including how water will leave the path.
• Joint spacing and isolation joints at the house and driveway.
• Finish, edge treatment and any sleeves for lighting.

Concrete walkways and steps you can trust underfoot — common questions

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