The Frederick IX bridge (Danish: Frederik d. 9's Bro; named for King Frederick IX) spans the Guldborgsund strait between the islands of Falster and Lolland in Denmark. It joins the larger part of Nykøbing Falster with the smaller part of the town on Lolland. It is 295m long and 25m wide and was constructed between 1960 and 1962, opening officially on 14 May 1963.