Wouldn't Bernadette Peters have been 42-52 in the 90s...?
"The city seen from the Queensboro Bridge is always the city seen for the first time, in its first wild promise of all the mystery and the beauty in the world." - F. Scott Fitzgerald, The Great Gatsby
Honestly, the entire original cast could still have done it in the 90s. They would have been more age appropriate. No one would know who they were quite yet but age wise they fit.