Brierley Associates is a privately-held national tunnel, trenchless, geo-structural and geotechnical design firm with offices strategically located across the United States. With over 80 underground  engineers and geologists, Brierley Associates delivers recognizable value to our clients by providing cost effective and constructable solutions for underground and heavy civil infrastructure projects.

Our team understands that planning, design, and construction of subsurface projects is a complex mixture of client needs, contractual preferences, risk allocation, third party requirements, design criteria, and subsurface conditions.

Brierley Associates’ nationwide and international underground project knowledge-base is key to anticipating ground behavior and helping our clients with design and construction of successful projects, which is the cornerstone of Brierley’s business vision to…“Create Space Underground”.

Press Room

Checkout out our Press Room for past issues of our In Depth Newsletter and published papers and articles.

InDepth June 2018 – Now in our Press Room

In this issue of InDepth Read about how Bill Zietlow in our Denver, CO office implemented the observational approach to develop a flexible design and accelerated construction of a soil nail wall to allow re-opening of a roadway affected by a landslide. David Berti in our Moraga, CA office 

Honolulu Office – Don Painter Rejoins Brierley Associates

“Eʻoluʻolu e kiʻi iā mākou i Hawaii!” (Please welcome us to Hawaii!) Brierley Associates celebrates our Aloha State expansion with the welcoming of Don Painter Senior Tunnel Construction Professional and the opening of our newest office located at: 1003 Bishop Street Suite 2700 Honolulu, HI 96813 808-237-2459

DBIA Southwest Region Conference – April 26 & 27, 2018 – Houston, TX

Brierley Associates’ Texas Regional Leader, Nancy Nuttbrock, is an active member of the Leadership Committee for the Houston DBIA Chapter, and is deeply involved with planning this year’s Southwest Region DBIA Conference scheduled for April 26-27, 2018 in Houston.  The Houston Chapter has assembled an intriguing array

InDepth-March 2018 – Now In Our Pressroom

In this issue of InDepth Read about how constructability review and value engineering benefited the construction of chlorine contact basin at the Missouri River Water Resource Recovery Facility in Omaha, NE.   Also, Conference Happenings at the upcoming No-Dig Conference in Palm Springs, CA this month, when

UCT 2018-New Orleans – News

Center for Underground Infrastructure Research & Education (CUIRE) Nick Strater and Jim Williams – Short Course Instructors CUIRE at the University of Texas at Arlington will hold its 16th annual Pipeline and Trenchless Technology Training and Certification Schools in conjunction with the Underground Construction Technology (UCT) International