Six-day closure of US 6 in Clear Creek Canyon for pedestrian bridge, underpass work
US Highway 6 through Clear Creek Canyon is scheduled to be closed the week of April 20 to set two, 200-foot-long pedestrian bridges and build a pedestrian underpass beneath the highway.
Crews with Concrete Express, Inc. will use two large cranes to pick and set the two pedestrian bridges on the west side of Tunnel 1, adjacent to the historic Welch Ditch. Crews will also excavate about 17 feet below US 6, and a crane will be positioned on the roadway to lift nine concrete boxes into place. The boxes, each about 10 feet tall and 14 feet wide, will extend beneath the entire width of US 6 to connect a recreation trail being built on the south side of the highway to a trailhead parking area under construction on the north side.
This work is part of the Huntsman Segment of the Peaks to Plains Trail through Clear Creek Canyon and requires closing US 6 between Colorado Highway (CO) 119 and the junction of CO 58 and 93 at the gateway to the canyon. This 11-mile section of US 6 will be closed from 9 p.m. Sunday, April 20, until 7 p.m. Saturday, April 26. This work is weather-dependent, and if it’s canceled, it will be rescheduled for the following week.
Drivers should use I-70 and US 6 between I-70 and CO 119 to detour around this work. See detour map. Note that eastbound I-70 drivers will be able to access Black Hawk via US 6 and Highway 119 from Exit 244.
There will be no traffic holds on I-70 for rock blasting or rock scaling work on the I-70 Floyd Hill Project during this six-day closure.
The Huntsman Segment of the Peaks to Plains Trail is a 3-mile section of ADA-compliant trail connecting with the Gateway Segment completed in August 2021 and continuing west to Huntsman Gulch.

Concrete is in place for the viaduct section of the Huntsman Segment shown in the rendering on the right. This section of trail is expected to open later this year.
In addition to the 10-foot-wide concrete trail along Clear Creek, this Jefferson County Open Space project will include two new trailheads with parking and restroom facilities, seven bridges over Clear Creek and one bridge over US 6, an underpass beneath US 6, safer access to the creek for fishing and boating, and an enhanced riparian habitat. The Huntsman Segment broke ground in 2022 and a portion of the trail is expected to open later this year, with the entire 3-mile stretch from Tunnel 1 to Huntsman Gulch complete by the end of 2026.
For more information on this project, visit the project website at jeffco.us/p2p, call 720-893-0403 or email peaks2plains@gmail.com