DES MOINES, Iowa (AP) – Authorities say a construction worker died Thursday after falling from scaffolding while working on an interstate bridge just north of Des Moines. First responders found 56-year-old Benjamin Rivera-Avila unresponsive with a head injury. He’d fallen about 30 feet while working on an Interstate 35/80 bridge over the Des Moines River.

Authorities say he died later at a hospital. Authorities say he lived in Altoona and worked for Cramer and Associates in Grimes.