Santiago Calatrava: Margaret Hunt Hill Bridge

'margaret hunt hill bridge' by santiago calatrava, dallas, texas


Spanning the trinity river and dallas floodway in dallas texas, the 'margaret hunt hill bridge' by valencian architect 
and engineer santiago calatrava has officially opened to the public with a ceremonious ribbon-cutting ceremony and fireworks.
the cable-stayed structure supports its 1,870-foot length with a 400 foot tall steel arch with an array of twisting cables. 
attached to the underside of the curved pylon, 58 delicate white strands descend and secure themselves along the centerline 
of the platform. the 16-foot diameter support is comprised of 25 individual segments, secured with 20,000 pounds of bolts 
and additional 450 tons of concrete.

visible from all cardinal directions and connecting west dallas with the downtown district of the city, the new landmark 
will provide six lanes for vehicular traffic and an iconic postcard perspective to define the metropolitan area. 

view of the entire bridge, 400 foot tall arch pylon and cables

upward view of the 400 foot arch pylon

cables attach to the center line of the bridge

at sunset

cables illuminated at night

dallas skyline in the background

profile at night

Gravelly Hill – Spaghetti Junction UK

Gravelly Hill Interchange also known as the Spaghetti Junction is one of the iconic civil engineering work in Birmingham, United Kingdom. Gravelly Hill became famous as the Spaghetti Junction due to its complex design.

This junction is spread across 30 acres and has 18 routes which include slip roads ( 4km or 2.5 miles). It has a total of 559 concrete columns and passes over two railway lines, three canals, and two rivers

The construction work started in 1968 and was completed in May 1972 and till date its considered as one of the most complicated road network in world.