List of Roman bridges

Columns: Name | River | Town | Country | Spans
Piercebridge Roman Bridge | Tees | Piercebridge | England | ? | Pons Aelius | Tyne | Newcastle | England | ? | Pons Sublicius | Tiber | Rome | Italy | ? | Pons Tirenus | Garigliano | Minturnae | Italy | ? | Römerbrücke | Mosel | Trier | Germany | ? | Römerbrücke | Rhine | Cologne | Germany | 20 spans | Römerbrücke | Rhine | Mainz | Germany | ?

Example questions:
What Roman bridge crosses over a river that contains over 80 islands ? | What Roman bridge is located in the town where Karl Marx was born ? | Which Roman bridge is located in the country whose capital is Ankara ? | What country is the Roman bridge whose construction was ordered by Ancus Marcius around 642 BC located in ?

Answers:
London Bridge | Römerbrücke | Justinian 's Bridge | Italy