(Town of Elba) Authorities have identified the man who died after succumbing to the injuries he sustained in a rollover crash Sunday morning in the Town of Elba. The Dodge County Sheriff’s Office says speed and alcohol may have been factors in the death of 38-year-old Jack Dennis of Madison. The accident happened on State Highway 16/60 near Oxbow Road around 7am. The vehicle went off a curve, struck a culvert and began to roll. An airbag rescue device was used to lift the vehicle off Dennis, who died after being transported to UW Hospital in Madison.