Unable to answer "What’s the weight limit here?" – on bridge: East 12th Street [CR E30] (Minor/Unclassified Road) – https://osm.org/way/1082575907 via StreetComplete 61.1:

Bridge destroyed. Unlikely to be rebuilt. Weight limit was 6 tons

Attached photo(s):
https://streetcomplete.app/p/328471.jpg