A box girder bridge, or box section bridge, is a bridge in which the main beams comprise girders in the shape of a hollow box. The box girder normally comprises prestressed concrete, structural steel,
Underneath the No. 2 Road Bridge in Richmond, British Columbia, Canada
Erskine Bridge, near Glasgow, Scotland
Single box girder bridge (concrete), Australia. A similar bridge on this river was fabricated ashore and pushed across its pylons.
Single box girder bridge (steel), flyover above eastern approach of the San Francisco–Oakland Bay Bridge
A Bailey bridge is a type of portable, pre-fabricated, truss bridge. It was developed in 1940–1941 by the British for military use during the Second World War and saw extensive use by British, Canadia
Box girder bridge
…copy, designating it the H-20. In addition, the modular construction of the basic Martel bridge would later during WWII become part of the basis of the Bailey bridge. In 1954, the Royal Commission on Awards to Inventors awarded Martel £500 for infringement on the design of his bridge by the designer of the Bailey…
Bailey Bridge on the Route de Cilaos (N5), La Réunion, directly north of Ilet Furcy.
Prototype Bailey bridge at Stanpit Marsh in Dorset
Allied military traffic crosses a Bailey bridge, spanning a damaged section of a masonry arch bridge. At the same time, local workers are rebuilding the original bridge. Italy 1944
The transoms, side-panels and stringers of a Bailey bridge section at the Memorial Pegasus museum in Ranville, Calvados, France, can all be clearly seen