because if they don't stand they will not be useful
There are certain bridges that raise and lower to allow tall ships to pass, but in general, bridges stand up because of the structure holding them up.
nu
Toll slips to cross bridges and thru-ways.
To a limited degree, yes. However, very strong tornadoes will destroy just about any structure they hit, including truss bridges.
Yes, Ireland has a huge amount of bridges. There are lots of rivers and railways and other things in Ireland that need bridges going across them, so Ireland has lots of bridges.
Ludacris's real name is Christopher Brian Bridges. He is an American rapper and actor known for hits like "Stand Up" and "Money Maker."
The design of the bridge matters a lot ,also the material of the bridge matters.
Bridges don't have ideals. They do not think nor do they have feelings. They just stand where they are built.
When you finally reach dry, flat land there is no need for a bridge. So many bridges are attached to roads and railways instead, often at both ends.
the fact that you have to connect the two bridges and then the beams will need more support in order to stay strong.
The anchor stands for the ocean, with boats, bridges and fish. It's the ocean state.
the poo is in the house today dad smell my bum