Pont National (Paris)
The pont National (named pont Napoléon-III from its construction in 1852-3 until 1870) was built as a road and rail bridge across the Seine.
Five segmental arches, each with a span of approx 113 ft, with a rise of 15 ft. Thickness of crown at arches was 3ft 11". It was built as a road and rail bridge, the rail tracks being for the Chemin de fer de Petite Ceinture.[1]
Its width was doubled with an addition on the upstream side in 1936. See Wikipedia entry.
See Also
Sources of Information
- ↑ The Practical Mechanic's Journal 1 Decmber 1867