Cook_County_GISPolygons of bridges in Cook County were drawn using aerial imagery and each polygon is drawn to match the size of the bridge. The feature is updated occasionally and the date the data was created is not known. Bridge types include road, railroad, and pedestrian bridges.ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/89fa9c2f414c476b8f073341f41b47e1_10engCook CentralPublicBridges [Illinois--Cook County]Web servicesIllinois--Cook CountyIllinoisLast Modified: 2023-11-03