GBG Australia undertook a GPR investigation over a historical wooden bridge in the south west of NSW. The investigation was performed so that the structural integrity of the bridge could be assessed.
Figure 1: View of the bridge.
Figure 2: Scanning the truss from the deck of the bridge using a high frequency antenna.
Figure 3: A scissor lift was used to access the portal struts.
Figure 4: Scanning the cross beam from the underside of the bridge.
Figure 5: A Boom lift was used to access the underside of the bridge.