It was the GOP who developed the concept of infrastructure banks and other alternative methods of financing infrastructure. Many states have infrastructure banks.
As for the NIB, that began in the Senate in 2007. Pelosi brought it to the House in 2008 when she was trying to convince Bush that he needed a second stimulus that included highway infrastructure. Everybody likes to talk about the obama stimulus and nobody likes to talk about the Bush stimulus.
You still have this problem that the feds and the states have to find an alternative to the gasoline tax.
Bush was more of a policy disaster than most Freepers like to admit.