You can do this research via google. I do it all the time for my city ordinances. Just type your city name, and the item you're curious about. I do it for building code stuff typically, but it seems to work for Iowa Falls as well...
69.15 PERMISSION REQUIRED FOR CERTAIN OBSTRUCTIONS BETWEEN ROADWAYAND SIDEWALK AREA. No person shall stop, stand or park implements, equipment, machinery,tools, contrivances, apparatus, appliances, devices, gadgets, obstacles, impediments or obstructions in thearea between the roadway and sidewalk of any street in the City without first obtaining permissiontherefor from the City Manager.
Taken from: http://www.cityofiowafalls.com/uploads/3/7/1/2/37129133/chapter69.pdf
69.15 PERMISSION REQUIRED FOR CERTAIN OBSTRUCTIONS BETWEEN ROADWAYAND SIDEWALK AREA. No person shall stop, stand or park implements, equipment, machinery,tools, contrivances, apparatus, appliances, devices, gadgets, obstacles, impediments or obstructions in thearea between the roadway and sidewalk of any street in the City without first obtaining permissiontherefor from the City Manager.
Taken from: http://www.cityofiowafalls.com/uploads/3/7/1/2/37129133/chapter69.pdf