Author Archives : Rich Johnson, P.E.

Rich Johnson, P.E. is Group Director of Seattle Office Bridges and Tunnels at HNTB Corporation. He can be reached at rjohnson@hntb.com.

Collaboration and Innovation Lead to 3rd Service Life for an Iconic Iron Bridge

Oct, 2012 By Rich Johnson, P.E. and Steve Olson, Ph.D., P.E. In Feature

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