Bridge Building - 21st Century Style

I amazed to write that the Massachusetts Department of Transportation is perhaps the leader in a new way of building bridges.  My recollection of life in Massachusetts was of a highway system that needed constant repair and the repairs took ages to complete.  So you can imagine my feelings when I saw a photo of a bridge being installed in Massachusetts not in months but in hours. 

This was not the first bridge built in Massachusetts in such a short time.  Last year the state replaced 14 bridges over I-93 in 10 weekends.

Wow!  Perhaps bringing our infrastructure back will not take decades.