The Big Dig Leaks, Mastercard Ad Style

Number of leaks considered "serious" in the Big Dig Tunnels: 237
Number of leaks total in the Big Dig Tunnels: 670
Estimated gallons of water entering the tunnel each month from leaks: 800,000
Number of years in which the tunnels might have a "serious breakdown": 25
Percentage of ceiling girders showing rust: 10
Number of engineers assigned to working on the leaks: 1
Fact that the Big Dig was considered "over" last month: Priceless

All statistics from the Globe's latest piece on the cluster you-know-what known as the Big Dig.

Image of Brigham's Big Dig ice cream flavor from the Brigham's website. That ice cream flavor is one of the better things to emerge from the Big Dig.