McMahon, along with Larson Design Group, performed a NBIS Route Crane Inspection of the Columbia-Wrightsville Bridge carrying SR 462 over the Susquehanna River. McMahon was responsible for the 27 spans over the waterway. In order to adequately perform a hands-on inspection of each pier and the open spandrel deck arch, a 60 foot bucket boat was utilized which was provided by Harcon Bridge Access Services.