Cafodd Pont Porth Jack Williams ei henwi ar ôl arwr o'r Rhyfel Byd Cyntaf, yn dilyn pleidlais gyhoeddus. Cafodd y gof o Nantyglo Groes Fictoria wedi iddo drechu safle gwn peiriant Almaenig yn Ffrainc ar ei ben ei hun, a dal 15 o elynion. Mae'r bont yn 118 metr ac yn croesi un o ardaloedd amgylcheddol a sensitif yn ecolegol pwysicaf De Cymru.
The Jack Williams Gateway Bridge was named after a local World War One hero, following a public vote. The blacksmith from Nantyglo was awarded the Victoria Cross after single-handedly overpowering a German machine gun post in France and capturing 15 of the enemy. The bridge spans 118 metres and crosses one of South Wales’ most important environmental and ecologically sensitive areas.