Roeder Avenue Bridge Construction Administration

Roeder Avenue Bridge Construction Administration City of Bellingham

Central Avenue Improvements

Central Avenue Improvements City of Bellingham

Inspection, Load Rating and Bridge Rehabilitation

Inspection, Load Rating and Bridge Rehabilitation City of Bellingham

Old 99 (Riverside Drive) Improvements

Old 99 (Riverside Drive) Improvements Cities of Mount Vernon & Burlington

I-405 South Bellevue Design/Build Project

I-405 South Bellevue Design/Build Project WSDOT

Middle Fork Bridge Rehabilitation Construction

Middle Fork Bridge Rehabilitation and Construction Management, City of Bellingham

  • Sound Transit Lakewood Layover Yard

    Friday, 23 September 2011 00:00
  • Broadway Avenue Bridge Replacement

    Thursday, 22 September 2011 00:00
  • Roeder Avenue Bridge Construction Administration

    Thursday, 15 September 2011 06:46
  • Central Avenue Improvements

    Thursday, 15 September 2011 06:40
  • Inspection, Load Rating and Bridge Rehabilitation

    Thursday, 15 September 2011 04:29
  • Old 99 (Riverside Drive) Improvements

    Thursday, 15 September 2011 03:55
  • I-405 South Bellevue Design/Build Project

    Thursday, 15 September 2011 03:47
  • Middle Fork Bridge Rehabilitation Construction

    Thursday, 15 September 2011 03:22

General Info

TranTech is a well-established Puget Sound transportation consulting engineering firm, with roots going back 25 years. Our name has changed a few times—Alpha Engineering Group, Harding Lawson & Associates, and MACTEC—but many of our current technical staff members have worked together for up to 20 years. As a result, we work very efficiently as a cohesive team, which saves our clients time and money. TranTech’s focus has always been to provide engineering services for local and state government agencies, such as the Cities of Seattle, Bellevue, Bellingham, Everett, Mount Vernon, Tukwila, and Ferndale; King, Skagit and Whatcom Counties; and SDOT and WSDOT.

TranTech currently employs 20 professional staff members in two offices located in Bellevue, WA and Bellingham, WA. Our staff’s dedication to excellence has been recognized on several projects, such as the Old 99 (Riverside Drive) Bridge Replacement project in Mount Vernon, recipient of the 2004 PCI and PCA awards; the Samish Way Overpass project in Bellingham, which received the 2000 Project Excellence Award; and the Pacific Avenue Overpass project in Everett, which won the 2002 PCI First Place National Award. Moreover, on our five most recent transportation projects, TranTech has received an average performance score of 9.7 out 10, based on the WSDOT Performance Evaluation Form.

Headquarters Office
12011 NE 1st Street Suite C305
Bellevue, WA 98005
Telephone: (425) 453.5545
Fax: (425) 453.6779
Directions

Bellingham, Washington Office
1221 Fraser Street, Suite 3
Bellingham, WA 98229
Telephone: (360) 255.2561
Directions

 
Services

TranTech Bridge Projects Requiring Overcrossing BNSF Railway Tracks

Structural Engineering:
TranTech's structural engineering group provides comprehensive services for structural design of bridges; highways and other industrial facilities. We also provide services in the areas of seismic retrofit, structural condition inspection and load rating of bridges.

Civil Engineering:
TranTech’s civil engineers provide comprehensive services for roadway design; drainage & stormwater treatment; traffic signals and illumination design.

Construction Management:
TranTech’s construction administration team provides services in the areas of contract administration, construction inspection and materials testing coordination and management, resident engineering, contractor work coordination.