Question: what is the name of the oldest bridge in the world?
Answer: The oldest datable bridge in the world still in use is the slab-stone single-arch bridge over the river Meles in Izmir (formerly Smyrna), Turkey, which dates from c. 850 BC. Remnants of Mycenaean bridges dated c. 1600 BC exist in the neighbourhood of Mycenae, Greece over the River Havos.