ID-55 Smiths Ferry to Round Valley Closed Through Thanksgiving Weekend
Marisa Lloyd

ID-55 Smiths Ferry to Round Valley Closed Through Thanksgiving Weekend

Idaho Transportation Department

SMITHS FERRY -- Idaho State Highway 55 between Smiths Ferry and Round Valley Road will remain closed through the Thanksgiving weekend following a large rockslide that occurred on Thursday (Nov. 18) afternoon.

Geotechnical experts are onsite evaluating the safety and stability of the slope, along with determining how much material needs to be removed. The Idaho Transportation Department (ITD) recommends holiday travelers make plans to use US-95 as an alternate route. The rockslide occurred during a scheduled road closure and no one was injured.  

“We understand the inconvenience closing down the road causes, but our objective is to ensure the corridor is safe for travel,” said Jason Brinkman, ITD District 3 Engineering Manager. “These decisions are not taken lightly. We appreciate the public’s continued patience as we work to clear the material and reopen the road safely.”

Construction crews are expected to begin clearing the road later this weekend. Crews will remove the large amount of material as quickly and safely as possible, weather permitting. ITD will provide regular updates of progress in clearing the road and evaluating the safety of the slope prior to the road reopening.

For regular updates, drivers can check Idaho 511 or the project website at

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