Green Bridges

A polyline feature class displaying the location of bridges for green and or sustainable transportation options.

Attribute schema:

Green bridges
A polyline feature class displaying the location of bridges for green and or sustainable transportation options.
Column Name	Nulls	Format	Size	Description	Constraints
FEATURE_TYPE	No	Text	50	Unique feature type that identifies the type of feature. Options: Footbridge Bikeway Bridge Multi-use Bridge Other Bridge
NAME	Yes	Text	100	The name of the feature (if available)
ATTRIBUTE_SOURCE	No	Text	100	If the feature is named, the attribute_source is the source imagery, map, or data from which the features name has been obtained. If the feature is not named, the attribute_source is the source imagery, map, or data used to define what the feature type is.
ATTRIBUTE_DATE	No	Date		Date of the source imagery, map, or data used for attributing the feature.
ADDITIONAL_NAMES	Yes	Text	100	The feature may be commonly known by other names or have different spelling. Multiple additional names can be shown and separated by a comma.
ADD_NAMES_SOURCE	Yes	Text	100	The source map or data that the additional names were obtained. Multiple sources can be shown, separated by a comma. If multiple sources are shown, the written sequence will be the same as the written sequence of the names themselves.
FEATURE_SOURCE	No	Text	100	The source imagery, map, or data that the spatial location and shape of the of the feature was obtained from.
FEATURE_DATE	No	Date		Date of the feature source information that the location of the feature was obtained from.
OPERATIONAL STATUS	No	Text	20	The operation status of the feature. Options: Abandoned Dismantled Operational Non Operational Proposed Under Construction	dm_road_bri_ status
PFI	No	Text		A Persistent Feature Identifier (PFI) is generated for each feature at the point of creation in the database. The value of the PFI will stay with the feature through all changes to the feature (both spatial and non-spatial) until the feature is retired. (See Persistent and Unique Feature Identifiers)
UFI	No	Text		A Unique Feature Identifier (UFI) is generated for each new feature at the point of creation in the database (at this point the PFI and UFI will be the same). The value of the UFI will stay with the feature through all changes to the feature (both spatial and non-spatial) unless the feature is split into multiple other parts. If the feature is split, the separate parts will retain the original PFI but new UFI’s will be generated for the split parts. (See Persistent and Unique Feature Identifiers)
CREATED_DATE*	No	Date		The date the feature was originally captured and first loaded to the database *internal use only
LAST_EDITED_DATE*	Yes	Date		Date of the last editing or revision to the feature *internal use only
DIMENSION_M	No	Double		The length of the feature measured in metres GDA2020
UPPER_SCALE	Yes	Long		The upper scale for which the feature should be considered suitable for digital display.	dm_upper_scale
TEXT_NOTE	Yes	Text	50	For mapping purposes. Additional annotation that can be shown on a map.
ADD_INFORMATION	Yes	Text	255	A comment field (additional information)
SEGMENT_ID	Yes	Text	20	Corresponding id number for Queensland Roads and Tracks

Feature Type definitions:

Foot Bridge – A structure erected over a depression or obstacle to carry pedestrian traffic only.
Bikeway Bridge – A structure erected over a depression or obstacle to carry bicycle traffic only.
Multi-use Bridge – A structure erected over a depression or obstacle to carry multi forms of traffic.
Other Bridge – Any bridge not covered by the above.

Upper scale:

1:25 000 – all data

Capture process:

FOOTBRIDGE

Definition: A structure erected over a depression or obstacle to carry pedestrian traffic

Alternate Terms: Pedestrian overpass

Capture as a 2D polyline along the centre of the feature
The location is plotted from orthorectified imagery
Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.
Capture features of significance. e.g. a length greater than 25 metres, major throughfare etc
End points to coincide with the vertex of any pathway feature.
If the feature is less than 25 metres and is named or significant, capture to the feature extents

BIKEWAY BRIDGE

Definition: A structure erected over a depression or obstacle to carry bicycle traffic

Alternate Terms: Bikeway overpass, Cycleway bridge, Cycleway overpass

Capture as a 2D polyline along the centre of the feature
The location is plotted from orthorectified imagery
Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.
Capture features of significance. e.g. a length greater than 25 metres, major throughfare etc
End points to coincide with the vertex of any pathway feature.
If the feature is less than 25 metres and is named or significant, capture to the feature extents

MULTI-USE BRIDGE

Definition: A structure erected over a depression or obstacle to carry multi forms of traffic

Alternate Terms: mixed use bridge, mixed use overpass

Capture as a 2D polyline along the centre of the feature
The location is plotted from orthorectified imagery
Locations can be obtained from other datasets, existing mapping, organisations, Government websites, or other source material.
Capture features of significance. e.g. a length greater than 25 metres, major throughfare etc
End points to coincide with the vertex of any pathway feature.
If the feature is less than 25 metres and is named or significant, capture to the feature extents

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