Northern Ireland needed just a point at the Stade de Luxembourg to win Group C3, but looked set for an impressive away victory after establishing a 2-0 lead thanks to Isaac Price and Bradley.
Two goals in three minutes from Seid Korac and Gerson Rodrigues tied Luxembourg, but NI managed to secure promotion.
Despite his delight at leading the group, Bradley admitted the match will be a “massive learning curve” for the young team after blowing a two-goal lead.
“I thought we probably should have won the game, but it’s good to top the group and get promoted to League B, so I’m very happy,” added the Liverpool defender, who captained Northern Ireland in the B League matches. October Nations League against Belarus and Bulgaria. .
“They are not a bad team and they play very good football. I think we did well to keep our nerve and hold on to the game when the score was 2-2. I’m sure we will learn from that.”
The draw to determine who Northern Ireland will face in World Cup qualifying will take place on Friday, December 13 and Bradley feels his team is more than ready to compete.
“We are looking forward to it, the World Cup qualifiers are starting and we are very excited.
“We are starting to gel as a team and we are playing good football, so I hope we can do well.”