Bridges can take many years to build.
But the city wants a bridge done
quickly. Bridge-building teams send
bids
to the city. The bids explain what
the bridge will look like. They also say
how much the bridge will cost and
how long it will take to build. The city
chooses the team that will build the
best bridge for their needs.
Planning and
Designing
L O A D I N G L O A D I N G L O A D I N G
. . .
. . .
. . .
L O A D I
L O A D I N G
. .
. . .
.
7
