Concrete Driveways in Rialto, CA

What Goes Into a Driveway Replacement

The old slab gets saw-cut at the joints and broken out with a breaker, then loaded and hauled off. Underneath, we cut the subgrade down to the depth we need and pull out the soft spots, roots, and any buried sprinkler line that is in the way. Class II base rock goes in, gets wetted, and gets compacted in lifts with a plate or a roller until it rings solid underfoot.

Forms come next, set to the finished grade with slope running away from the garage and toward the street. Steel goes in on chairs so it sits in the middle of the slab instead of lying on the dirt, which is where it does nothing. Then the pour: screed, bull float, edge, cut the control joints on a grid that matches the slab thickness, and broom the surface for traction. Sawed joints go in within the first day so the concrete cracks where we decided it should.

Standard residential is four inches. We pour five for anything that sees a truck. The difference in material cost is small and the difference in service life is not.

When It Is Time to Replace a Driveway

Most Rialto driveways that need replacing are the original pours from the tract building boom of the fifties through the seventies. Those were commonly three to three and a half inches, no steel, no base to speak of, poured straight on native sand. They lasted a long time and they are now at the end of it.

Replace rather than patch when sections rock when you step on them, when one panel sits an inch above its neighbor, when the surface has gone to gravel across most of the slab, or when cracks have spidered out into a web instead of running along the joints. If the damage is confined to a panel or two and the rest sits level, the slab can often be patched instead of torn out, and we will tell you if that is the better use of your money.

Why Driveways Fail Here

The soil in Rialto is alluvial sand and cobble washed down out of Lytle Creek. It has no cohesion. Once water finds a path under the edge of a slab, it carries the fines out and leaves a void, and the concrete bridges that void until the day a loaded truck parks on it. Leaky irrigation and sprinklers throwing water onto the drive are the most common starting point we see.

Root lift is the other big one. The street trees on the older blocks were planted close to the curb and the drive approach, and once a root gets under a thin slab it jacks it up over a few seasons. Then there is simple overload. This is a logistics town and a lot of people bring the work truck home or keep an RV on the side. A three-inch unreinforced slab was never engineered for a fifth wheel's jack stands, and it fails at the point load every time.

Heat plays a part too. Summer surface temperatures make a slab expand into whatever sits next to it. When there is no expansion material at the garage slab or the curb, the driveway has nowhere to go and it buckles or cracks near the edges.

What Affects the Price of a Driveway

Demolition is the first variable. An existing slab means breaking, loading, and disposal before a single yard of new concrete is ordered. Thickness and steel are the second: a standard car driveway and an RV pad with a rebar mat at twelve inches on center are different builds. Access is the third. If the mixer can back to the pour, the labor is straightforward, and if we are running buggies through a gate, it is not.

Then there is what we find in the dirt. Roots that need cutting, a grade that has to drop, a sprinkler main crossing the pad, a soft spot that needs over-excavation and more rock, all of that is real time and material. Finish choice matters as well, since a broom finish is standard and a stamped border on a driveway adds labor, color, and sealing time.

One more item people miss: if your work touches the approach out in the public right-of-way between the sidewalk and the street, that portion is subject to city requirements and normally needs a permit. The City of Rialto permit and plan review office handles those, and we can tell you at the estimate whether your job needs one.

Questions Homeowners Ask