No, it would not be capitalized, but it should be pluralized.
You are going to the library on Main Street.
No; not unless it's used as part of the street's title, e.g. Walnut Street.
If you're talking about a certain street, yes you capitalize it, for example Main St. or Elm St.
If 'Third Street' is the name of a street, it is a proper noun. Proper nouns are always capitalized (both words). In the sentence, "Maple Street is the third street after the light.", the word 'third' is functioning as an adjective to describe the common noun street (not the name of the street).
Yes, "Oak Street" should be capitalized because it is a proper noun referring to a specific street.
Yes, Main Street should be capitalized assuming it is the name of a street. If you are simply referring to a particular street that is seen as being main then it shouldn't be capitalized. (e.g. the main street of the city runs for miles)
Yes, Riverside Drive should be capitalized because it is a proper noun referring to a specific street or location.
Yes, "Thirty-Fourth Street" would be capitalized because it is a proper noun referring to a specific street.
The word streets isnot capitalized except at the begi n ni ng of the se nte nce. However, the names of the streets are capitalized. Examples: Paso ng Tamo Street Ayala Street
Yes. The heading reads, "The Wall Street Journal".
If it is part of a street name then it is capitalized (e.g. Main Street) but not if it refers to a street in general.
Correct, Street is capitalized in an address. You can also abbreviate it as St.