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 December 2018 – Now in Brierley Associates Press Room

In this issue of InDepth Fossil Creek Pedestrian Tunnel-Ft. Collins, CO After years of planning , construction of the 70-ft by 14-foot diameter Fossil Creek pedestrian tunnel beneath active BNSF rail lines creates a vital link  to recreational trails. Brierley Associates served as specialty geotechnical and geostructural consultant to

Brierley Associates Conference Happenings – October – November 2018

Look for Brierley Associates at these conferences DFI 43rd Annual Conference on Deep Foundations- Anaheim,CA Eric Lindquist of our Moraga, CA office  and Charles Luxford of our Austin, TX office will be in Anaheim for the Deep Foundations Institute Annual Conference. The theme of the 43rd conference held October 24th –

Southwest Region DBIA – Public Agency Design-Build Forum Houston, TX

Southwest Region DBIA – Public Agency Design-Build Forum Houston, TX

Brierley Associates –  AJ McGinn and Jacob Mitchell Invited Speakers   DBIA Houston Chapter, in its mission for outreach and education, is holding a Public Agency Design Build Forum.  Public owner /agency personnel at all levels who might be engaged in an upcoming design-build project will learn more

InDepth September 2018 -Now in Brierley Associates Press Room

In this issue of  InDepth Twin Stormwater Tunnels-Denver, CO Our friends at T&UC write about the Globeville Landing Outfall in Denver, CO — a $70-million box culvert project that includes a pair of 157-m (515-ft) long, 243-cm (96-in.) diameter storm water tunnels that pass beneath a busy

Brierley is Main Event Sponsor for 11th Annual Shortcourse

Brierley is Main Event Sponsor for 11th Annual Shortcourse

           September 10-12, 2018 University of Denver, Colorado Celebrating its 11th year, the Breakthroughs in Tunneling Short Course is the longest running and most-attended course of its kind. Brierley Associates is the Main Event Sponsor and featured speakers include: Gregg Sherry, will talk about