Centennial road, sidewalk projects ramping up

Major thoroughfares, sidewalks around city to see construction


Centennial delayed some infrastructure projects early in the pandemic as COVID-19's economic impact took hold, but the city is now approaching some big projects on major roads that south Denver metro drivers will notice.

The city also includes parts of the south metro area that lack sidewalks, and Centennial's 2021 budget requested $1 million for new sidewalk construction.

Here's an update on what road and sidewalk projects drivers and pedestrians may see popping up soon.

County Line Road

One prominent project is the planned widening of County Line Road from University Boulevard to Broadway.

“The County Line Road improvements may start as early as September 2022. At this time, we anticipate that construction will last for a year,” said Jeff Dankenbring, Centennial's public works director.

The road will consist of two lanes in each direction when complete. Drivers can expect that County Line between Clarkson Street and the Target store access may be closed in order to place 20 feet of embankment at Lee Gulch.

Arapahoe Road

The city also plans to widen the Arapahoe Road bridge over Big Dry Creek to seven lanes — three lanes in both directions and an extended southbound turn lane for the intersection west of the bridge, at University Boulevard.

Paths were also planned to connect the Arapahoe Road sidewalk to Big Dry Creek Trail.

Centennial is still in the process of acquiring easements for the project. City officials anticipate that construction will start in July.

“Two lanes in both the eastbound and westbound directions will remain open during the duration of the project,” Dankenbring said. “There may be a few nighttime closures in order to set the bridge girders for the new bridge.”

Sidewalks around city

Some proposed sidewalk projects in the 2021 budget include the following:

• Dorado Avenue from Telluride to Truckee streets;

• Easter and Costilla avenues west of Franklin Street to complete sidewalk around the Southglenn Country Club;

• Peoria Street south of Briarwood Avenue;

• Holly Street from Arapahoe Road to connect to Little Dry Creek Trail;

• And the replacement of “substandard” sidewalk along Arapahoe Road's south side between Broadway and Clarkson Street.

“Depending on the weather, the city anticipates starting construction on all of these sidewalks (this) week,” Dankenbring said. “These sidewalks will be completed by the beginning of September.”

While the city does not anticipate any road closures for the sidewalk construction, there may be lane closures during non-peak hours for sidewalk construction such as on Arapahoe Road and on Peoria Street, Dankenbring added.


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