Last week, investors breathed a sigh of relief as U.S. President Donald Trump signed a bill to end the longest government shutdown in history.

While Wall Street slid through the 35-day shutdown relatively unscathed, many investors are growing uneasy about the shutdown's long-term impact of the health of the nation's economy.

However, the shutdown's economic toll is small change compared to the fiscal disaster that's lurking just around the corner.