Civil Engineering September 2021 | Vol 29 No 8

Civil Engineering September 2021 27 Figure 1 Location of the drone inspected bridges (Gauteng RAMS Geo-spatial Decision Support System) Table 3 Defects identified during 2016 visual inspections Railway Bridge River Bridge Interlocking blocks missing Waterway debris and vegetation Corroded handrails Vegetation growing through the interlocking paving on the abutment Abutment crack Spall on pier Abutment seating cracks Scuppers too short Vegetation on road surface/ hidden guardrail