November 2015 | EquipmentWorld.com
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And overlays have matured in
several markets across the country.
"Colorado has done a lot of great
concrete overlays where they've tak-
en existing roadways, whether they're
asphalt, concrete or composites, and
put concrete overlays on them. They
are expecting to get another 25 years
or more out of them."
States in the Midwest are also on
the forefront of concrete overlay
implementation. Five of ACPA's
2015 Annual National Excellence in
Concrete Pavement Awards overlay
winners (see sidebar, "Award win-
ners") are in Midwest states.
One winning project, jointly
located in Freeborn County, Min-
nesota and Worth County, Iowa, il-
lustrates a collaborative effort of not
only two counties, but two states, as
well. The road runs roughly parallel
to the state line, occasionally weav-
ing in and out between the two
states.
The project involved overlay work
on 25 lane miles (two lanes at 12.5
miles) starting near the beginning
of June 2014 and ending near the
middle of July, according to Tom
Schmitt, general manager of Con-
struction Foundations, the firm that
completed the job. He says overlay
work is a big part of their business.
"Fifty to 60 percent of our work
has been overlay projects, and I
see it going even higher. There are
only so many new roads that can be
built, so the work is going to come
from resurfacing," he says.
Schmitt echoes Wathne's view that
education is vital to the growth of
concrete overlay projects.
Sawcutting equipment on a concrete overlay demonstration project as part of
the Federal Highway Administration Highways for LIFE project with the North
Dakota DOT.
Federal
Highway
Administration
