UPDATE: Colorado Highway 3 is officially closed for two weeks as crews initiate urgent rockfall mitigation work following damage to a retaining fence. The project, announced by the Colorado Department of Transportation (CDOT), aims to enhance safety for motorists traveling along the route adjacent to the Animas River in Durango.
The closure began on Monday, as CDOT geohazards geologist Regan French confirmed that falling rocks had compromised a crucial fence designed to prevent debris from reaching the roadway. “It’s not safe for anyone to travel while this fence is completely open,” French stated, emphasizing the critical nature of the situation.
This urgent maintenance effort involves collaboration with Apex Rockfall Mitigation LLC, based in Grand Junction. Workers are currently engaged in a multi-phase operation that started with removing loose rocks from the sandstone cliffs looming over Highway 3. French noted that this initial phase is essential for ensuring worker safety during the subsequent repairs.
On Wednesday, workers executed their tasks using a two-rope rappel system, carefully dislodging loose rocks. “Dropping loose rocks is the first phase of the project,” said French, highlighting the systematic approach to the repairs. Following this, crews will drill new anchors for the retaining fence’s support posts, ensuring they are securely reinforced.
French outlined the next steps, stating, “We opted to do the downsizing with an excavator with a breaker mounted onto it.” This method allows workers on the slope to drill while the excavator handles larger rock pieces simultaneously, optimizing efficiency during the critical repairs.
The importance of this work cannot be overstated, as Colorado is particularly prone to rockfall hazards due to its mountainous terrain. French remarked, “Colorado has got to be one of the No. 1 states that has to deal with rockfall mitigation.” The Geohazard Program at CDOT is actively cataloging and managing slopes across the state to enhance roadway safety.
While Highway 3 is closed, CDOT is seizing the opportunity to conduct additional maintenance, including sealing cracks in the road surface with asphalt. This dual-purpose approach ensures that the closure yields maximum safety benefits for all road users.
The entire rockfall mitigation project is expected to conclude by March 20, allowing for the reopening of this vital route, which serves as an important access point for the Durango area. Residents and travelers are urged to stay tuned for updates as work progresses.
This urgent maintenance underscores CDOT’s commitment to public safety, prioritizing the welfare of motorists and local residents. As the work continues, the community is reminded of the importance of vigilance in navigating rockfall-prone areas.
Stay informed for more updates on this developing story.
