When the US needs to build infrastructure, they can build it incredibly fast. The replacement I-35 bridge [34] and the fix to the Oroville Dam Spillway [6] are examples.

Usually it gets tied up in years or decades of various fights like the St Croix Crossing which required federal action: https://en.wikipedia.org/wiki/St._Croix_Crossing

[34] https://en.wikipedia.org/wiki/I-35W_Saint_Anthony_Falls_Brid...

[6] https://www.youtube.com/watch?v=ekUROM87vTA