20210304 07451600 1.0 TRUE Bridges Polygons representing the footprint of bridges and overpasses in Portland. The attribute information includes details on the owner, maintainer, type of bridge, and seismic information. --Additional Information: Category: Transportation - Assets Purpose: For mapping and analysis related to the maintenance and management of bridges and overpasses in Portland. Update Frequency: Weekly -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52776 Bureau of Transportation