You can have multiple accounts, but the combined IRA and Roth IRA contributions for a tax year can't exceed the contribution limits for that year.Here's how the IRS puts it in Publication 590, Individual Retirement Accounts:Roth IRAs and traditional IRAs.
I am not sure how much, if at all, your FICO score will increase when the judgments fall off your credit report. Although not very common, under certain circumstances a judgment that has fallen off your credit report after 7 years can reappear. In addition to the 7-year credit reporting time period (CRTP), judgments also have a statute of limitations (SOL) on enforcement of the judgment.
A credit report is different than a judgment in that it is a score of a person's credit history and rating. Since the judgment creditor has not been pursuing you regarding the judgment, there is a good chance that it will fall off your credit report in a year and a half due to inactivity for collection purposes. Your options concerning this judgment is to start paying on it or ignore it. Good question.