Bridge Piers for Highway US 20 reconstruction
Tanana River Bridge, Tok, Alaska

Cornforth Consultants and its division, Landslide Technology, frequently tackle difficult transportation assignments. We are pleased to have an extensive history of working for large federal and state agencies as well as city and county transportation departments.

Our project experience includes EIS-level geotechnical and geologic assessment, permitting, geotechnical baseline studies, complex road and bridge design, construction control, and implementing statewide geotechnical asset management programs. In that capacity, we have been selected as geotechnical consultants for all seven northwestern state DOT's and Western Federal Lands of the FHWA.

Our Services section summarizes the types of services we offer for transportation infrastructure. Some of our representative projects and repeat clients are listed below:

Representative Projects  
  Interstate 84 Sandy River Bridges Oregon Transportation Investment Act (OTIA) Bridges
  Warner Highway Curve Correction Newberg Dundee Bypass
  Libby Rockfall Mitigation Montana RHRS Statewide Implementation
  Ketchikan Third Avenue Extension Going-to-the-Sun Road Rehabilitation
  Geotechnical Manuals  
Repeat Clients  
  WFLHD-FHWA Oregon Department of Transportation
  Washington Department of Transportation Idaho Department of Transportation
  Montana Department of Transportation Clackamas County, Oregon
  Multnomah County, Oregon Alaska Department of Transportation
  Clark County, Washington Wyoming Department of Transportation
  New York Department of Transportation British Columbia Ministry of Transportation & Highways
  Washington County, Oregon Utah Department of Transportation