Boise & Garden City

ACHD closes two Foothills streets because of landslide worries

This curb on Alto Via Court popped out in April, ACHD reports.
This curb on Alto Via Court popped out in April, ACHD reports.

Access to two streets in an upscale Foothills subdivision will be closed to the public because of growing concern about landslide risk, the Ada County Highway District announced late Thursday afternoon.

Signs will go up Friday morning stating that Alto Via Court is closed at Table Rock Road and that the far end of Strata Via Way is also closed to public access, according to an ACHD news release. Residents will be able to enter the area to reach their homes at their “own risk,” the highway district said.

The Ada County Highway District Commission took the action during an emergency meeting, basing their decision on information from district staff and outside experts who are "concerned about the ongoing deterioration of the roads as well as the potential for a rain-fed slide this weekend," according to the news release.

Rain forecast for this weekend prompted fears of a "catastrophic slide," ACHD reports, and district staff determined the street cannot be maintained safely and in keeping with ACHD standards.

Stability of the ground in parts of the Terra Nativa subdivision has been a growing concern for city and highway district officials. Since intensive monitoring began in early April, the ground in the area has been moving at a rate of 1 to 2 inches per week, causing sidewalks to buckle and break and the pavement to crack, according to the news release. ACHD has performed repairs in recent weeks but has concluded it cannot keep up with the damage, according to the news release.

The closure is set to last 30 days, and the ACHD Commission is due to ratify the closure at its May 11 meeting.

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