BRIDGE AREA
收藏USACE GIS Open Data Portal2026-05-16 收录
数据链接：
官方服务：
资源简介：
A structure erected over a depression or an obstacle such as a body of water, railroad, etc., to provide a roadway for vehicles or pedestrians. (IHO Dictionary, S-32, 5th Edition, 544) Distinction: pylon/bridge support;
