Title: Project Engineer
Department: Structural-Bridge
What is your role at Larson Design Group?: As a Project Engineer in the Bridge Group, I am involved in many aspects of project. My primary role is to be responsible for the overall design and plans production for the projects I work on. I perform structural design and analysis for new and existing bridges, review structural designs calculations performed by Design Engineers and review bridge plans prepared by our CADD technicians. I also work directly with my project manager to track workload, keep projects on schedule and within budget, and work with the clients.
What is your background?: As an undergraduate student at the University of Nebraska-Lincoln, I started working at Olsson Associates of Lincoln, NE as a traffic engineer intern in 2000. After graduation from UNL with a Bachelor of Science in Civil Engineering in 2002, I switched from the traffic group at OA to the bridge group and began my career as a bridge engineer. My main job responsibilities included performing bridge design calculations and quantity computations for various bridge projects throughout the Midwest. While working at OA I also went back to school and completed a Masters Degree in Civil Engineering in 2006. My wife and I moved to Pennsylvania in 2007 when I began my career at Larson Design Group.
What do you enjoy in your free time?: In my free time, I enjoy spending time with my family, working out, and doing work around the house.
Posted in Bridge Design | Communities | Municipal Services | Project Management | Structural Engineering | Sustainable Design | Transportation by David J. Johnson, PE (Project Engineer, Structural-Bridge ) on September 6, 2011
On July 12, 2011, a historic truss was set in its new location at 4th Street over the Allegheny River in Coudersport. The truss had spent the past 127 years three blocks upstream at 7th Street, carrying traffic to the Borough’s northeast corner and recreation park facilities. The historic bridge will now continue its service life as a pedestrian bridge at its new location.
The 7th Street Bridge was built in 1883 by the King Bridge Company of Cleveland, OH. The bridge is unique because it is one of the first bridges to be built entirely of steel and to still be in service. The bridge was retrofitted in 1983 with the addition of the steel arches. The decision to replace the bridge was made by the borough because it was functionally obsolete. The bridge was a one lane bridge that lacked adequate vertical clearance, proper barriers, or a sidewalk to provide access for pedestrians using the park.
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