Edina residents fight to keep their concrete streets

  • Article by: MARY JANE SMETANKA , Star Tribune
  • Updated: May 11, 2014 - 6:23 AM

Most cities prefer asphalt because it cures quickly, allowing new roads to open for traffic sooner. And it’s easier to repair. But concrete has its advantages, too.

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Edina resident Judd Rietkerk thinks having a concrete street in front of his home is just fine, but the city is tearing out the aged concrete on Tingdale Lane and replacing it with asphalt.

Photo: Bruce Bisping, Star Tribune

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Ask some residents of Edina’s Tingdale Avenue about their street, and this is what you hear: It has a tough, environmentally safe surface; residents can walk on it barefoot at the height of summer without searing their feet, and kids claim that when they fall from their bikes they are less likely to get “road rash.”

Their street is concrete, soon to be replaced by asphalt. That doesn’t make sense to homeowners like Judd Rietkerk.

“I think the concrete that is out here now will last longer than the new asphalt,” he said. Concrete, he said, “just goes on and on.”

The concrete vs. asphalt debate is an old one, and a hot enough topic that it draws a sigh from traffic engineers who are asked which is better. “Better” depends on the site, the soils and the budget.

Yet people who have concrete streets often like them. When the Edina City Council began preparing to redo roads and underground utilities in the Birchcrest neighborhood, where about 30 percent of streets are concrete, residents sent e-mails and showed up in person to praise concrete.

In April, the council decided to replace all of Birchcrest’s concrete streets with asphalt. Chad Millner, Edina’s director of engineering, said one of his goals this year is to develop a plan for dealing with Edina’s concrete streets, which are 50 to 60 years old.

“We lean toward removing them and putting blacktop in,” he said.

Asphalt’s advantages

Concrete was popular decades ago when asphalt technology was in its infancy, said Curt Turgeon, the Minnesota Department of Transportation’s state pavement engineer. Minnesota’s early paved highways were concrete.

“We knew how to build concrete streets then; the technology hadn’t evolved much with asphalt at that time,” he said. “Now plants pump out asphalt quickly and you can lay it and drive on it.”

In Edina, an estimated 30 percent of residential streets are concrete; in Minneapolis that proportion is 25 percent. Bloomington has none. In Richfield, the only concrete city street — that is, not a state or county road — is 77th Street.

Until recently, concrete was more expensive than asphalt, but rising oil prices have shrunk the price difference. Turgeon said he wasn’t sure what the proportion of concrete streets is in Minnesota, but said choice of street materials is dictated not only by price but by soil conditions. Concrete is more commonly used in northwestern Minnesota, he said, where soils are unstable and concrete provides the needed rigidity to bear traffic loads. Concrete also is used where gravel, a base for asphalt roads, is scarce.

Cities prefer asphalt because it cures quickly, allowing new roads to open for traffic sooner. And it’s easier to repair.

Streets from the ’60s

But concrete has its advantages, too.

Rietkerk, a former Minneapolis city employee who knows a bit about street work, cited concrete’s durability when he was making his case to the Edina City Council.

“Asphalt has the maintenance factor,” he said. “In five years you have to seal-coat it, and you do it again at 10 years and 15 years, and then it needs a mill and overlay. And when you patch asphalt, it settles different, and you always have a bump. Look at the potholes.”

Mike Kennedy, Minneapolis’ director of transportation maintenance and repair, said concrete is indeed durable — for a time. The oldest of the city’s 150 miles of concrete resi­dential streets date back to the mid-1960s.

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