Eugene Freyssinet, Luzancy Bridge, Luzancy, France - assembly
Pre-stressed concrete bridge, Luzancy, France [1946] - construction
Eugene Freyssinet, portrait in uniform of a "polytechnicien"
beam theory, stress distribution
Joseph Paxton, Crystal Palace, London, England [1851] - interior perspective
Sioux City Bridge, Sioux City, Iowa - truss bridge
Rur at Duren, Germany - truss bridge
bowstring truss bridge - connection detail
iron and steel bridge, Germany - truss brdige
Savage Bridge, Maryland - truss bridge
L & N Railroad Bridge, Green River, Kentucky [1859] - truss bridge
T. Cooper, Quebec Bridge [1907] - cantilever bridge
Gustave Eiffel, Statue of Liberty [1885] - construction