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