beam girder
Do you mean box girder?
The superstructure is steel box girder
cable stay, arch, suspension, box girder
The disadvantages of a girder bridge is that it's expensive to build. It is also very hard to maintain. It needs to have access to the confined space of the girderbox.
Keith Thompson has written: 'Indications about thermal gradient magnitudes from field studies of concrete box girder bridges' -- subject(s): Box girder Bridges, Concrete Bridges, Design and construction
It is a pre-stressed concrete box girder bridge.
It is a pre-stressed concrete box girder bridge
London Bridge is a pre-stressed concrete box girder bridge.
It is a pre-stressed concrete box girder bridge.
girder is the main horizontal beam . the joists which are usually smaller, are connected to the girders and are supported by the girder.
The present London Bridge is a pre-stressed concrete box girder bridge.