A utility access vault may include a base and at least one sidewall extending vertically upward from the base. The at least one sidewall may define a cavity with an opening at a top thereof and a rim surrounding the opening, and it may be being flared inwardly from the base to the rim. The utility access vault may further include a plurality of ribs projecting outwardly from an outer surface of the at least one sidewall, with each of the plurality of ribs extending from the base toward the rim and being flared inwardly from the base toward the rim.