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4.How long does it take for concrete to dry enough to walk on? Wind, humidity, and sunlight are all factors in how long it takes for concrete to cure, walking, normally about 1 to 2 days. 5. How long does it take for concrete to cure enough to drive on? Again, wind, humidity, and sunlight are all factors but the standard is about 5 to 7 days. 6. Should I put cure or water on the concrete? Yes, after the initial 12 hours applying cure of water for 5 days every morning and night is recommended. 7. Do I need to use base rock for my subgrade?
Report Abuse. concrete will cure in about 24 to 48 hours. but for it to fully cure it take alot longer then that. the hoover bridge is still getting stronger because it's still curing.Mr. Anderson Â· 8 years ago.est Answer: It really depends on how wet the ground is and the ground temperature. As a rule you should wait at least a week before starting a construction project on new concrete, 30 days is even better.