Mike O’Callaghan, Pat Tillman Memorial Bridge, USA
The Mike O’Callaghan–Pat Tillman Memorial Bridge, nicknamed the Hoover Dam Bypass, is an arch bridge that spans the Colorado River. Stay away if you’re scared of heights.
At 880 feet over the Colorado River, it is the second-highest bridge in the United States and the highest concrete-arch bridge anywhere. The bridge, located between the states of Arizona and Nevada is 579 m long and was opened in 2010.
Drake Bay Bridge, Costa Rica
Located on the Osa Peninsula, Puntarenas Province, in Costa Rica the bridge over the Progreso river lies in the Golfo Dulce Forest Reserve and is located on the way from Drake Bay Airport to Drake Bay.
The bridge is simply terrible and those who choose to cross, they need to tread lightly.
Danyore Suspension Bridge, Pakistan
Located in Gilgit-Baltistan, in the Northern Areas of Pakistan, the Danyore Suspension Bridge is a 510-feet-long bridge connected to a 10-meter curve tunnel. Dubbed “Pul-e-Sirat” (the bridge between heaven and hell), the bridge connects Gilgit to Danyore across the River Hunza and was constructed in the mid-sixties.
Currently, the bridge is closed for vehicles and only pedestrians are allowed to pass through after being declared unsafe by the district administration. Locals say the journey is a test of a driver’s skill and nerve and add that an abrupt stop can leave a vehicle stranded in the middle of the stream, “which is a quite a frightening situation”.
Annai Indira Gandhi Road Bridge, India
Located in the South Indian state of Tamil Nadu, the Annai Indira Gandhi Road Bridge connects the National Highway (NH 49) with Rameswaram on Pamban Island. The bridge is 2.345km long. The road over the bridge is asphalted and is also known as the Pamban Bridge. It is the longest bridge in southern India.
It took close to 14 years to be completed. The bridge is located in the world's second most corrosive environment after Florida, making its maintenance a challenging job. The location is also a cyclone-prone high wind velocity zone. The construction of this bridge has left many engineers wondering as it stands tall and strong even today. The ships too can pass under the bridge and hence it is the most convenient means of commutation.
Cuyuni River Bridge, Venezuela
Located in eastern Venezuela, the Cuyuni River bridge is said to be designed by the famous Gustave Eiffel.
The iron bridge over the Cuyuni River is 170 m. The road to the bridge is the gravel Ruta 10.