Lewis & Short

Mulvĭus or Milvius, a, um, adj., Mulvian (Milvian): Mulvius pons, a bridge across the Tiber, above Rome, on the Via Flaminia, now Ponte Molle, near Torretta, Cic. Att. 13, 33, 4; id. Cat. 3, 2, 5; Flor. 3, 23, 6; Tac. A. 3, 47: Milvius agger, i. e. pons, Stat. S. 2, 1, 176; Sall. C. 45, 1.