Fire alarm on Northwest 57th Avenue Heard on: Polk County, Dallas County, and Warren County Public Safety and ISP 00:14 00:00 Northwest 57th Avenue, Engine 381, fire alarm (number withheld), Northwest 57th Avenue between Merle Hay Road and Northwest 54th Court. Transcript This transcript is auto-generated from live dispatch audio and may be incomplete or inaccurate. It is not an official report and may change. 00:00 Northwest 57th Avenue, Engine 381, fire alarm (number withheld), Northwest 57th Avenue between Merle Hay Road and Northwest 54th Court. 00:11 Response one, time out 1117. 9/4/2026 09:16 AM Fire NW 57th Ave, Johnston, IA 50131 View on map