Asphalt Paving in Polk City, IA

Asphalt paving in Polk City follows a specific local code. Polk City was settled in 1846 and incorporated in 1875, and it sits along Saylorville Lake near Big Creek State Park. It grew from 3,418 residents in 2010 to 5,543 in 2020, an increase of 62.2 percent. Census figures show 89.1 percent of homes are owner-occupied, the median owner-occupied value is $414,800, and 94.2 percent of residents lived in the same house a year earlier. Most driveways here are newer and owners plan to stay.

What Chapter 140 says

Polk City's driveway regulations, Chapter 140 of the city code, require a permit to remove a curb, build a private drive from a public street, or build or expand a driveway. The fee is $15. The code accepts any hard surface for the driveway, including Portland cement concrete, bituminous concrete (asphalt) or brick pavers, but it says oil, gravel, sealcoat or chloride surfacing does not count as paving. In the right-of-way, a driveway must be at least 10 feet wide and no more than 12 feet per garage stall, up to 36 feet. Two 3-foot flares are allowed, to a maximum of 42 feet at the curb.

More rules that shape a layout

• No driveway within 15 feet of an intersection, measured from the property corner
• No driveway closer than one foot to the property line
• One driveway per single-family lot unless it has more than 250 feet of frontage
• Corner lots connect to the lower-order street
• Paving must reach from the curb to the sidewalk line within 30 days after the curb is removed

We lay out extensions and new drives against these limits before you decide.

Lake-area ground

Polk City sits at 843 feet, lower than the till plain to the north, with slopes running toward the lake. Sloped lots move water fast, and driveways on them need edges and base that will not wash out. We set grade and drainage so runoff goes where it should.

Maintenance for newer driveways

With most driveways under twenty years old, crack filling and sealcoating are the main work. Sealcoating protects the surface, but under Polk City's code it does not make a gravel drive count as paved.

Culverts

On streets without curb and gutter, Polk City's code requires driveway culverts to follow SUDAS, using reinforced concrete pipe or approved corrugated metal pipe at least 12 inches in diameter and no more than 24 feet long. The property owner pays for the culvert.

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