Unable to answer "What’s the weight limit here?" – on bridge: Sea Mountain Highway [S-26-20] (Secondary Road) – way/129730410 via StreetComplete 61.0:

Signs for "no trucks" also present.

Attached photo(s):
https://streetcomplete.app/p/277077.jpg
https://streetcomplete.app/p/277078.jpg

Unable to answer "Is there a restroom here?" – Low Country Village (Mall) – node/12156926747 via StreetComplete 61.0:

Bathroom is next to Faux Paws Dog Shop in same shopping centre

Attached photo(s):
https://streetcomplete.app/p/276129.jpg

Unable to answer "Is there an air compressor available here?" – Gas Station – node/12423225199 via StreetComplete 60.3:

Air vac