Roadwork Construction Services in Montrose, CO
Why Montrose, CO Developers Trust Our Roadwork Construction Services
Building roads in the Uncompahgre Valley means fighting the ground itself. Montrose sits on expansive silty clay from Mancos shale — soil that swells when the late-summer monsoons hit and shrinks in the dry stretches. Add high-altitude freeze-thaw cycling, and pavement laid over raw dirt warps, cracks, and buckles fast. Standard overlays don’t survive here. We engineer roads that do.
That starts under the surface. We stabilize the native clay and shale subgrade with lime or cement where needed, then lay woven geotextile fabric to lock the base in place. That’s what stops the heave before it starts.
We build to spec and to code. Our mix designs are CDOT-approved, and we handle Montrose County Public Works right-of-way permit compliance before we break ground. Our heavy equipment operations are fully insured.
We build for real traffic. From heavy commercial corridors along US-50 and US-550 to access drives and parking areas, we design roadways that carry the load and hold their shape.
From Mancos shale subgrade stabilization to full-depth reclamation and asphalt milling, you get roadwork built to last on the Western Slope. That’s what earns your trust in Montrose.
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Client Experiences with Our
Roadwork Contractors in Montrose, CO
A5 Grading LLC Overview
A5 Grading LLC offers a range of site development and land improvement services designed to support residential, commercial, and construction projects.
- We specialize in:
What Makes Our Roadwork Solutions in Montrose Efficient and Reliable?
Reliable roadwork is decided below the asphalt, in the order the job is built. We don’t pave over problems — we solve them first.
Every project starts with geotechnical soil testing and civil site prep. We measure subgrade moisture and plastic limits to set the exact aggregate depths and stabilization additives your site needs. Then we scarify the native silty clay, apply lime or cement stabilization where the soil calls for it, and lay geotextile fabric to stop sub-base clay migration.
Next comes the aggregate base course. We import clean road base and compact it to maximum dry density using laser-guided motor graders and heavy rollers. That precision is what holds the surface flat.
Then we pave. High-temperature, freeze-thaw-resilient hot mix asphalt goes down in calibrated lifts for seamless density and proper runoff pitch.
We finish complete — concrete gutters, roadside swales, and line striping that meets municipal traffic standards.
That sequence keeps projects on schedule and roads out of early failure. From municipal street maintenance to commercial roadwork across Montrose County, you get paving that’s efficient to build and reliable through every monsoon and deep winter freeze.
Case Studies
A developer building along the South Townsend commercial corridor needed a road base that could carry heavy traffic on expansive clay. We tested the subgrade, stabilized it with lime, and laid geotextile fabric before compacting the aggregate base. Then we paved freeze-thaw-resilient hot mix in calibrated lifts. The corridor opened on schedule and stayed flat through winter.
A failing access road off US-50 near the Townsend Avenue corridor was warping from Mancos shale heave. We ran full-depth reclamation, excavated the active clay zones, and rebuilt with an aggregate bridge and moisture barrier. Laser-guided grading set the pitch, and fresh hot mix sealed it. The road carried commercial traffic without extended closures.
RECENT PROJECTS
Take a look at some of our latest work. Scroll through the photos below to see our team in action and the results we deliver.
FAQs About Roadwork Construction Work in Montrose
How do you stabilize the native clay and Mancos shale subsoil before paving to keep roads from buckling in Western Colorado winters?
We scarify the native soil, then apply lime or cement stabilization based on the geotechnical results. We add woven geotextile fabric and a compacted aggregate base to lock the subgrade in place, so it won’t heave through freeze-thaw cycles.
What permits and right-of-way compliance are required by the City of Montrose or Montrose County Public Works before breaking ground?
Most roadwork needs right-of-way permits and must meet Montrose County Public Works or City of Montrose standards. We verify what your project requires and handle the compliance before we break ground.
Can your crew handle full-depth reclamation and grading for heavy commercial traffic corridors without extended closures?
Yes. We run full-depth reclamation and laser-guided grading built for heavy commercial corridors. We phase the work to keep lanes moving where possible, so we rebuild the road without shutting your traffic down for long stretches.
Why does asphalt laid straight over Montrose dirt fail so quickly?
Raw Mancos shale and clay swell unevenly as moisture moves through them. That differential swelling lifts pavement sections apart, causing longitudinal cracking and warping. Without a stabilized, reinforced base, even good asphalt shifts and breaks within a few seasons.
How do you protect a new road from late-summer monsoon rains?
We build in proper runoff pitch, roadside swales, and moisture barriers to move water off and away from the subbase. Keeping water out of the expansive clay is what prevents the swelling that warps pavement.