How Long Before You Can Drive on a New Concrete Driveway in Spokane? Cure Times, Cold Weather and First-Winter Care (2026)

Short answer: walk on a new driveway after about 48 hours, drive a car on it after at least 7 days, and keep RVs, loaded trucks and moving vans off for about 28 days. Those numbers assume the concrete was cured properly and stayed warm. In a Spokane fall or winter, cold slabs gain strength more slowly, so the wait can stretch. Here's where the numbers come from and how to protect a new driveway through its first winter.

The new-driveway timeline

• First 24 hours: the most vulnerable stretch. Keep people, pets, bikes and vehicles off completely
• After about 48 hours: okay to walk on, but keep all wheeled traffic off, including bikes, skateboards and wheelbarrows
• After at least 7 days: passenger cars and pickups can drive and park on it. Stay off the edges, which are the weakest part of a young slab
• After about 28 days: concrete reaches its specified design strength, which is when it's ready for RVs, loaded trailers, dump trucks, concrete trucks and moving vans
• Around 30 days: a good time to apply a penetrating sealer, once the extra mix water has had time to leave the slab

Why 7 days? The 70 percent rule

The 7-day number isn't a guess. It comes from the American Concrete Institute's curing guidance:

• ACI 308R: a 7-day minimum curing period for concrete made with ordinary Type I cement, 10 days for Type II and 3 days for high-early-strength Type III
• 70 percent of design strength: ACI notes that 7 days of curing will often get concrete to about 70 percent of its specified compressive strength, which is enough for passenger vehicles on a residential slab
• 28 days is the benchmark: concrete strength (the "psi" on the order) is measured on test cylinders at 28 days. Our concrete psi guide explains why Spokane driveways should be at least 3,500 psi air-entrained concrete
• Strength keeps climbing: concrete keeps gaining strength well after 28 days as long as it has moisture

"Dry" vs. "cured": they aren't the same thing

A driveway can look dry and light gray the day after the pour and still be weak. Concrete hardens by a chemical reaction with water (hydration), not by drying out. That's why curing means keeping moisture in the slab for the first week, with a spray-on curing compound, wet burlap, curing blankets or plastic. A slab that dries out too fast gains less strength and has a weaker, dustier surface that scales sooner in freeze-thaw.

Why the wait runs longer in a Spokane fall or winter

Hydration slows way down as concrete gets cold. Spokane International Airport averages about 132 nights a year at or below freezing (NOAA 1991-2020 normals), so a driveway poured from late October through March rarely gets the warm week the 7-day rule assumes.

• Cold-weather practices: industry homeowner guides call for insulating blankets or covers that hold the curing temperature above 55 degrees F for at least 7 days on fall and winter pours
• Cold slabs need more days: if the concrete stays cold, wait longer than 7 days before driving on it. Your contractor can tell you how the slab was protected and when it's ready
• Never let fresh concrete freeze: early freezing can permanently weaken the surface. Our winter concrete guide covers how we pour in the cold

First-winter rules for a new driveway

Concrete industry owner's manuals agree on these for any driveway's first winter:

• No deicers the first winter: use sand for traction instead
• Never use fertilizer-type deicers: products with ammonium sulfate or ammonium nitrate attack concrete. Owner's guides also warn against calcium chloride and magnesium chloride deicers
• Watch for car drip: road salt and deicer dripping off parked vehicles counts too, so rinse it off
• Shovel early: don't let snow and ice build up on the slab, and never pile plowed snow onto new concrete
• Keep water from running under it: downspouts and drainage that undermine the base cause settlement cracks. See why Spokane driveways crack

Heavy vehicles: thickness matters as much as time

Waiting 28 days gets the concrete to full strength, but an RV, a loaded dump trailer or a delivery truck also needs a slab built for it. A typical 4-inch driveway is designed for cars and pickups. If you'll park something heavy, plan for a thicker section and a solid compacted base from the start. Our driveway thickness guide walks through 4, 5 and 6 inches, rebar and base.

When to seal

Owner's guides for severe-weathering regions like ours recommend a penetrating, breathable sealer about 30 days after the pour, when the surface is dry and the temperature is above about 55 degrees F. A late-fall driveway may have to wait until spring. Read more in our driveway sealing guide.

Quick checklist after your pour

• Day 0-1: barricade the driveway, no traffic of any kind
• Day 2-6: foot traffic only, keep curing in place
• Day 7 or later: cars and pickups, away from edges (longer if the weather has been cold)
• Day 28 or later: RVs, trailers and trucks, if the slab was designed for them
• First winter: sand, not deicers, and shovel early
• About 30 days and above 55 degrees F: seal

Planning a new driveway in the Spokane area?

Raven Buildings pours driveways, approaches, patios and shop slabs across Spokane County and Eastern Washington, and we'll tell you exactly when you can drive on yours. Call 509-350-2016 or request a free quote.

Sources

• ACI 308R, Guide to Curing Concrete (Section 2.9, minimum curing requirements)
• FHWA, Guide for Curing Portland Cement Concrete Pavements, Appendix A (7-day and 70 percent criteria)
• Concrete Network, How Long Before You Can Drive on New Concrete?
• Independent Ready Mixed Concrete Association, Driveways (curing and homeowner care)
• ConcreteState.org, Owner's Manual for concrete driveways and sidewalks (first-year care)
• NRMCA, Frequently Asked Questions on Concrete Materials (28-day test cylinders)
• NOAA NCEI, 1991-2020 Monthly Normals, Spokane International Airport