<mapframe>: The JSON content is not valid GeoJSON+simplestyle. The list below shows all attempts to interpret it according to the JSON Schema. Not all are errors.
/0/ids: Does not match the regex pattern ^Q[1-9]\d{0,19}(\s*,\s*Q[1-9]\d{0,19})*$
/0/ids: String value found, but an array is required
/0/ids: Failed to match exactly one schema
/0/title: The property title is required
/0/service: Does not have a value in the enumeration ["page"]
/0: Failed to match exactly one schema
/0/geometries: The property geometries is required
/0/type: Does not have a value in the enumeration ["GeometryCollection"]
/0/type: Does not have a value in the enumeration ["MultiPolygon"]
/0/type: Does not have a value in the enumeration ["Point"]
/0/type: Does not have a value in the enumeration ["MultiPoint"]
/0/type: Does not have a value in the enumeration ["LineString"]
/0/type: Does not have a value in the enumeration ["MultiLineString"]
/0/type: Does not have a value in the enumeration ["Polygon"]
/0/coordinates: The property coordinates is required
/0/geometry: The property geometry is required
/0/type: Does not have a value in the enumeration ["Feature"]
/0/features: The property features is required
/0/type: Does not have a value in the enumeration ["FeatureCollection"]
/1/ids: Does not match the regex pattern ^Q[1-9]\d{0,19}(\s*,\s*Q[1-9]\d{0,19})*$
/1/ids: String value found, but an array is required
/1/ids: Failed to match exactly one schema
/1/title: The property title is required
/1/service: Does not have a value in the enumeration ["page"]
/1: Failed to match exactly one schema
/1/geometries: The property geometries is required
/1/type: Does not have a value in the enumeration ["GeometryCollection"]
/1/type: Does not have a value in the enumeration ["MultiPolygon"]
/1/type: Does not have a value in the enumeration ["Point"]
/1/type: Does not have a value in the enumeration ["MultiPoint"]
/1/type: Does not have a value in the enumeration ["LineString"]
/1/type: Does not have a value in the enumeration ["MultiLineString"]
/1/type: Does not have a value in the enumeration ["Polygon"]
/1/coordinates: The property coordinates is required
/1/geometry: The property geometry is required
/1/type: Does not have a value in the enumeration ["Feature"]
/1/features: The property features is required
/1/type: Does not have a value in the enumeration ["FeatureCollection"]
The single-deck, double-leaf bascule bridge was designed by Thomas Pihlfeldt and built by the Ketler and Elliot Company.[2] The American Institute of Steel Construction awarded it the "Most Beautiful" bridge in 1930.[2]
The control houses for controlling bridge operations are on the northwest and southwest corners of the bridge. The control houses are identical in design. In 1961 the control houses were upgraded to allow single man operation. Electrical modernization also accompanied this upgrade. While the northern control house is no longer in use, it still stands.[2]