|Name||Luzancy Bridge, France|
|Where||East of Paris, France|
|Latitude||N 48 58' 15"|
|Longitude||E 03 11' 27"|
|Why||Road bridge over the River Marne|
|Overall type||Beam - the first prestressed concrete segmental bridge - stressed both longitudinally and transversely. Some writers call it a portal structure but it is really a flat arch with consequent bending moments.|
|Main span||54 m.|
|Materials||Precast, prestressed concrete|
|How to read a bridge||Read more about beams and girders.....
Read more about arches.....
Read more about the book metaphor.....