Pons Fabricius, the oldest Roman-made bridge in the city still existing in its original state.

located over the Tiber river in Rome, connecting the eastern shore of the Tiber Island to the mainland.

The bridge was constructed in 62 BC by Lucius Fabricius, a curator of roads in Rome, and it is one of only two bridges in the city not connecting the two banks of the river.

https://www.atlasobscura.com/places/pons-fabricius