It is a rolling bascule bridge on a river. and allows boats and barges by move It's one side vertically.
9 - Jiefang Bridge
It is a simple bascule bridge. It allows boats and barges by move both sides of it verticaly. it also looks like a butterfly.
8 - Vizcaya BridgeIt is a transporter bridge, it load with vehicles and then move to the other side. it is easy way of transport.
7 - 22 Drawbridges in Saint Petersburg
It is also a simple bascule bridge, You can see here about 22 drawbridges which are used to allow traffic and boats.
6 - Russian BridgeIt is a simple bascule russian bridge. it also allow boats by move both sides of it vertically.
5 - Foryd Harbour Bridge
It is a butter fly bridge.It looks very nice and works very well.. it also seems like a butterfly. it alows boats by moving its both sides vertically.
4 - Gateshead Millennium Bridge
It is a butterfly bridge. it is a amazing type of movable bridge. it can allow more boats and barges to move by moving like a butterfly.
3 - Pegasus Bridge
It is rolling bridge,It allows boats by moving vertically.
2 - Bascule BridgeIt Is a Verticle lift bridge. it also works very well and easy to control. it allows boats and barges by moving vertically.
1 - Slauerhoff Bridge
Now this is the number one movable bridge which move vertical and allow boats and barges to move otherside.