Montana Department of Transportation

D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I) D3 Rockfall Mitigation (PH I)

Main Content

Active Project - D3 Rockfall Mitigation (Phase II)

D3 Rockfall Mitigation (Phase II)

Print or Save Map

Project Overview

D3 Rockfall Mitigation (Phase I & II) map imageHeaded by general contractor, Oftedal Construction, Phase Two of the D3 Rockfall Mitigation project has begun as of April 4. Phase two will extend between mile marker 224 and mile marker 246, with a tentative completion date of September 2016, weather permitting.

Phase one of the D3 Rockfall project, led by Hi-Tech Rockfall Construction and launched in July 2015, had begun on April 18 and was scheduled to finish in May 2016. The first phase of the project was centered in Prickly Pear Canyon, between I-15 mile markers 217 and 221, seven miles south of Wolf Creek. As of the week of June 20, phase one is complete.

Final Update – October 8

As of this coming weekend, October 8, Oftedal crews will have completed the second phase of the D3 Rockfall Mitigation project! Along with blasting, slope scaling and excavation, Oftedal crews also installed flexible rockfall barriers along interstate 15. Additionally, crews completed paving work and repaired damage caused by demolition and previous rockfall. Travel through the canyon will be returning to normal as the use of single lane closures will no longer be in effect.

Oftedal Construction greatly appreciates the partnership of the community and travelers passing through the work zones.

Those with questions about the project are welcome to contact:

  • Oftedal Construction Project Manager
    Cameron Lundby at 406-951-2864.