These barges are a popular dive site here in Seattle. They are intact and while there is not much life growing on them they provide protection from the current and attract large fish life. This site is a lot of fun on a scooter.
North Barge: 47 Degrees 38'24.9093"N, 122 Degrees 25'37.8319"W
South Barge: 47 Degrees 38'24.8290"N, 122 Degrees 25'36.4101"W
These images were created with NOAA bathymetry data and Global Mapper.