CO FLAP US50(1)_Little Blue Creek Canyon_X-Sheets 3 of 3.pdf

This federal presolicitation notice is for a highway reconstruction project located in Montrose, Colorado along CO Route US50(1) through Little Blue Creek Canyon. The general scope of improvements includes reconstructing 4.17 miles of roadway to provide a consistent 12-foot travel way with 4 to 8-foot shoulders, adding 1.5 miles of climbing lanes, large scale rock excavation and embankment work, roadway realignment and widening, MSE retaining walls, drainage culvert installation, guardrail, aggregate base, asphalt concrete pavement, minor bridge and bridge railing work, pavement markings, and traffic control measures. Significant work quantities include 180,000 cubic yards of roadway excavation, 38,500 cubic yards of waste, 580 cubic yards of grouted riprap, 60,000 square feet of MSE walls, 2,500 linear feet of rock bolts, and 70,000 tons of aggregate base. The federal agency is the Department of Transportation Federal Highway Administration. Plans and specifications are not yet available as this is a presolicitation notice to alert contractors of the upcoming project.