it is made up of beams to hold it
beam girder
It is a pre-stressed concrete box girder bridge
The present London Bridge is a pre-stressed concrete box girder bridge.
It is a pre-stressed concrete box girder bridge.
Thr current London Bridge is a pre-stressed concrete box girder bridge.
A girder bridge is built by placing girders on bridge abutments and foundation piers. Girder bridges can carry pedestrians, automobiles, trucks, light rail, and heavy rail.
The Banpo Bridge is a girder bridge.
The Banpo Bridge is a Girder Bridge.
Names of famous trus-girder bridges
He had invented the hinge girder just one year before.
write it properly here
The superstructure is steel box girder