Lithos has provided geotechnical engineering and design services for hundreds of projects around Colorado and beyond. Check out a few below.


Crook Waterline

Initial investigation, design, and construction for the single trenchless crossing of the of the Tamarack Recharge and Wildlife Project.


Fossil Creek PeD tunnel

Design engineering and full time construction observation for a City of Fort Collins project expanding the Fossil Creek Trail system with a pedestrian tunnel underneath the BNSF railroad.


NDSD East Outfall

Bid support, submittal reviews, RFI responses, and a full-time field engineer to oversee trenchless construction and identify construction risks.


COunty road 31
rockfall Mitigation

Construction management services

Project Locations


North America