Incredible Pictures of St Croix Crossing Construction

Although foundation work has been complete at the St Croix Crossing project for quite some time now, MnDOT has recently posted some really amazing photos of the superstructure construction of this huge bridge  on the project site and Facebook page. The St Croix Crossing Bridge is an extradosed bridge, which is something of a cross between a segmental … Continue reading Incredible Pictures of St Croix Crossing Construction

Drilled Shafts Complete at St Croix

As reported by the Minneapolis Star Tribune, Case Foundation recently finished constructing 40 drilled shafts at the St Croix River Crossing Project.  Since early June, Case has been working at a feverish pace to construct the drilled shaft foundations for the new extradosed bridge between Minnesota and Wisconsin.  As of November 8th, all of the … Continue reading Drilled Shafts Complete at St Croix

St. Croix Bridge Construction Starts with Official Groundbreaking

Earlier this week, officials from the Minnesota and Wisconsin departments of transportation (MnDOT and WisDOT) met for an official groundbreaking ceremony on the projected $629 million bridge and highway project that will connect Oak Park Heights, Minnesota, to St. Joseph, Wisconsin, just south of Stillwater, Minnesota, as highlighted in yesterday’s edition of The Minneapolis St. … Continue reading St. Croix Bridge Construction Starts with Official Groundbreaking

DBA Wraps Up Load Test Program and Proceeds with Design on St. Croix Bridge

Project rendering courtesy of HDR  Lateral Statnamic test, picture by David Graham of DBA, click here for a YouTube video DBA has been selected by MnDOT as a geotechnical and load testing consultant for the design phase load test program and foundation design of a new bridge crossing the the St. Croix River near Oak … Continue reading DBA Wraps Up Load Test Program and Proceeds with Design on St. Croix Bridge

DBA Engineers Coauthor Cover Story of Latest DFI Magazine

Cover Image of the Hastings Mississippi River Arch Bridge The featured article in the July/August 2013 issue of Deep Foundations, the magazine of the Deep Foundations Institute, is coauthored by Dan, Paul, and Rich Lamb, P.E., of the Minnesota Department of Transportation (MnDOT).  The article summarizes how load testing has been used successfully as part … Continue reading DBA Engineers Coauthor Cover Story of Latest DFI Magazine

Hastings Bridge Opens to Traffic

Looking north towards Hastings as traffic travels on both bridges Looking west from the Hastings’ river bank I had the unique opportunity to be among the first people to cross the new Hastings bridge and among the last to cross the old Hastings bridge, during the short period of time when the two bridges were … Continue reading Hastings Bridge Opens to Traffic

New Pictures of Hastings Bridge Added to Our Picasa Web Album

Some new pictures of the Hastings bridge project in Hastings, Minnesota have been added to our Picasa Web Album: Hastings Bridge Construction.  The  pictures were taken by myself, David Graham, who has been in the area working on a load test program for a new bridge crossing the St. Croix River near Stillwater, Minnesota, and … Continue reading New Pictures of Hastings Bridge Added to Our Picasa Web Album

Design/Construction Projects

This page provides links to information on some of the significant large projects we have been involved with.  Click on the project name to download a one-page project summary sheet.  If available, there is a link (DBA Project Page) to a project page on this blog with links to papers, photo galleries and slide shows, … Continue reading Design/Construction Projects

Publications

All applicable copyright laws and rights apply to the content of this site. The content of this page is provided for information and research under the “Fair Use” clause of the Copyright Act.  Proper citing of these references should be made when used. Copyrights are retained by original publishers. Information on fair use in the … Continue reading Publications