Asphalt Paving in Rochester Hills, MI

Asphalt paving in Rochester Hills comes down to two things: the age of the driveway and the shape of the ground under it. The city was Avon Township until November 20, 1984, when the remainder of the township incorporated and voters picked the name Rochester Hills over Avon Hills. It had 76,300 residents and 31,208 housing units at the 2020 census. Most of those homes were built in subdivisions over the second half of the twentieth century, and many of their driveways are now due for replacement.

Hills and valleys

The name is accurate. Elevations in the city range from about 690 feet in the southeast to 1,032 feet in the northwest, and the Clinton River and Paint Creek cut valleys through it. A drive on a ridge in the northwest drains fast and may need care at the bottom where water collects. A drive near the Clinton River in the southeast may sit on lower, wetter ground where the base stays soft longer in spring. We probe the subgrade and plan the base and drainage for the ground you actually have.

A written approach standard

Rochester Hills publishes its own driveway approach specification. Residential asphalt approaches are 6 inches of hot mix asphalt over 4 inches of 21AA aggregate, built in layers: a 2-inch HMA 13A wearing course over a 4-inch HMA 3C leveling course placed in two lifts. Concrete approaches are 6 inches of 3,500 psi concrete. Slopes must be at least 2 percent and no more than 8 or 10 percent depending on the road's speed limit, and no more than 2 percent where the drive crosses a sidewalk or pathway. Widths and flares are set by a table. If your job includes the approach, we build it to those numbers.

Culverts on open-ditch roads

Not every Rochester Hills street has curbs. On roads with ditches, the driveway crosses a culvert. The city calls for at least a 12-inch, 16-gauge galvanized corrugated metal pipe with a foot of cover, extending 3 feet past each side of the drive. Older culverts rust out or get crushed, and when they do, water backs up against the approach. We check yours at the estimate.

Owners who stay

Census estimates put owner-occupancy at 76.7 percent and show 88.7 percent of residents in the same home a year earlier, with a median owner-occupied value near $410,000. Homeowners here usually want a driveway done once, built to last, with a clean finish at the garage and street.

Weather

Southeast Michigan sees about 120 days a year with a low at or below freezing at Detroit Metro, and the average freeze window runs from roughly October 20 to April 22. Paving season runs inside that gap, and fall is the time for crack sealing.

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