Slope Stabilization in Colorado

Slope Stabilization in Colorado

Access Limited delivers Mancos Shale landslide remediation and soil nail walls for CDOT mountain corridors across Colorado.

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Active landslide slope failure requiring stabilization

Slope Instability Across Colorado

Mancos Shale and mountain colluvium create persistent slope instability along corridors like I-70, US-550, and I-25. When slopes move, infrastructure fails — highways close, rail lines shift, and the cost of delayed action compounds.

Access Limited provides Mancos Shale landslide remediation and soil nail walls for CDOT mountain corridors engineered from site-specific investigation data.

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Slope Stabilization Solutions for Colorado

Colorado slope instability is driven by mancos shale and mountain colluvium. Access Limited engineers each solution for conditions along corridors including I-70, US-550, and I-25 — deploying landslide remediation, soil nail walls, GCS® walls, erosion control, horizontal drains, and embankment repair.

Landslide Investigation and Remediation

Every landslide stabilization project starts with identifying why the slope failed. Access Limited investigates failure surfaces, groundwater conditions, and loading history. Emergency landslide response is available 24/7 across Colorado.

Soil Nail Wall Stabilization

Soil nail walls are Access Limited primary structural slope stabilization tool. Steel reinforcement elements are installed and tied together with structural shotcrete. The Soil Nail Launcher accelerates installation on CDOT corridors.

GCS® Retaining Wall Systems

GCS® walls use geosynthetic-reinforced soil lifts to create gravity-resistant stabilization structures — cost-effective where Colorado soil conditions favor reinforced earth.

Erosion Control and Horizontal Drains

Steep slope erosion control intercepts progressive material loss. Horizontal drains relieve the pore pressure that drives most slope failures in Colorado — installed based on measured piezometric data, not assumed conditions. UAS surveys support design with high-resolution terrain mapping.

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How Access Limited Stabilizes Slopes

Every slope project follows a five-step process.

Step 1

Slope Investigation

Field engineers map slope geometry, soil conditions, and drainage patterns to define the instability.

Step 2

Stabilization Design

Engineers design soil nail walls, GCS walls, drainage, erosion control, or a combination based on site data.

Step 3

Equipment Mobilization

Spider Excavators, Soil Nail Launchers, and specialty crews deploy with all materials staged.

Step 4

Construction

Crews install soil nails, construct GCS walls, place horizontal drains, and build erosion control per the design.

Verification

Post-construction drain flow testing and slope instrumentation confirm the stabilization performs as designed.

Verification

Post-construction drain flow testing and slope instrumentation confirm the stabilization performs as designed.

Completed slope stabilization after tropical storm replacing temporary blue tarps

Why Colorado Chooses Access Limited for Slope Stabilization

Soil Nail Launcher — Proprietary pneumatic nail installation at production rates that cut construction time on Colorado corridors.

Spider Excavator Access — Reaching steep, unstable slopes where conventional equipment cannot operate.

Design-Build — In-house engineers design, Access Limited crews construct — one contract, one team.

Horizontal Drain Expertise — Pore water pressure reduction through measured piezometric data-driven drain arrays — the most effective single stabilization measure available.

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Trusted by Transportation Agencies

See why CDOT, ski resorts, and mining companies trust Access Limited for slope stabilization in Colorado.

Erosion Control for Water Infrastructure in Minnesota

I am sending this to you from Duluth Minnesota where 4 of your employees just finished working on a wall they had put in for us previously. That was a few years ago after Duluth suffered a flood. We are on Lake Superior and St. Louis County wanted to help stop erosion. The guys worked during the rain and just kept on going, like little Energizer bunnies. Nice fellows, all of them!! They are certainly a credit to your company and I feel it is always good to give thanks to people for a job well done. Please let them know how much we appreciated their dedication to get the job done. We will always wish you and your team good days ahead!!

Landslide Repair for Road in Wyoming

"We got notice today that GSI has completed the remediation work at the [road] Slide.  WYDOT greatly appreciates the responsiveness from GSI regarding the issues that occurred this spring.  Kirk and I were at the site last week right after they finished installing the micropiles and row of soil nails.  Everything looked great, I hope everything worked out coordinating traffic control with our maintenance folks.  Great job!, it is gratifying to work with such a professional, responsive organization."

Geohazard Services for Transportation Infrastructure in Oregon

Just wanted to send a thank you to your crew as they were outstanding on our project up on Hwy 47 mp 6.3. I really appreciated the great communication and the hard work they did for us.

Discuss Your Colorado Project

Access Limited provides Mancos Shale landslide remediation and soil nail walls for CDOT mountain corridors.

Call 805.727.4310

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