Sydney Harbor Bridge (SHB) is an iconic structure constructed in 1923 in Sydney. connecting North Sydney and Sydney CBD. It is a steel-arch structure that caries eight road lines and two rail tracks. Rail tracks of the bridge presently use conventional timber transoms (or sleepers) as track support structure. https://www.bekindtopets.com/quick-find-ABC-Storm-Fabric-p18939-flash-buy/