Bridges presentation
from 167ft (51m) to 361ft (110m) as the roadway climbs from low to high embankments on each
side of the river.
Sweden is another country that excelled in building elegant and innovative reinforced-concrete arch
bridges of extremely long span. The first was the Traneberg Bridge (1934) in Stockholm, designed
by Harbour Board engineers Ernst Nilsson and S Kasarnowsky with Eugène Freyssinet consulting.
Its 593ft (181m) span was surpassed briefly in 1942 by the Esla Bridge in Spain with a span of 631ft
(192m), but within the same year the title for the longest arch was regained for Sweden by S
Haggböm with the Sando Bridge, the longest reinforced- concrete arch in the world at 866ft (264m).
Moveable and transporter bridges
This essay ends with two of the oldest types of bridges known to humankind. The bascule or draw
span was developed by Europeans during the Middle Ages. There was a resurgence of moveable
bridges during the late 19th century
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