Historically, it has taken anywhere from 2-6 years to do.
one month
How long did it take to build pyamids
a long time
It took about 20 years to build.
a long time.
one month
one day
As long as it took your nan to find her cliterus
about 4 weeks or so
4 years
1 second
As long as it took your nan to find her cliterus
5 years
how many people did it take to build the olympic stadium
how long does it take to build a asimo
How long did it take to build pyamids
Because it's a bridge and bridges take along time to build. If you don't like that, then try building you own bridge to see how long it takes you. (Didn't mean the in a mean way)