Banks love capitial-intensive projects, after bonds paid off, what do you have?

The Impact of Aging Infrastructure | Mass Transit: "The Port Authority of Allegheny County has 79 bridges, 29 of which are for rail and seven are more than 100 years old. There are also 2 inclines that are more than 130 years old. Its CEO, Ellen McLean, said it’s hard to balance between the high cost of capital repair and expansion. While they can sustain the levels of service they have, they can’t afford to improve or expand."