Authorities say construction worker died after 30-foot fall

DES MOINES, Iowa (AP) - A construction worker died Thursday after falling from scaffolding while working on an interstate bridge just north of Des Moines, authorities said.

First responders found Benjamin Rivera-Avila, 56, unresponsive with a head injury. He’d fallen about 30 feet (9.1 meters) while working on an Interstate 35/80 bridge over the Des Moines River, the Polk County Sheriff’’s Office said.

Rivera-Avila, of Altoona, died later at a hospital. He worked for Cramer and Associates in Grimes, authorities said.