What is the oldest bridge in the world?
The oldest datable bridge in the world still in use is the slab-stone single-arch bridge over the river Meles in Izmir (formerly Smyrna), Turkey, which dates from c. 850 BC. Remnants of Mycenaean bridges dated c. 1600 BC exist in the neighbourhood of Mycenae, Greece over the River Havos.
What states have big bridges?
List of bridges
| Name | Height (ft) | State(s) |
|---|---|---|
| Royal Gorge Bridge | 955 | Colorado |
| Mike O’Callaghan–Pat Tillman Memorial Bridge | 900 | Arizona / Nevada |
| New River Gorge Bridge | 876 | West Virginia |
| Foresthill Bridge | 730 | California |
What is the most dangerous bridge in the US?
Maryland’s Chesapeake Bay Bridge-Tunnel (CBBT) is one of the most notoriously frightening bridges in the country.
What is the most dangerous bridge in the world?
Hussaini Hanging Bridge
What is the steepest bridge in the United States?
The Bob Graham Sunshine Skyway Bridge is the steepest bridges in the US spreading over the Lower Tampa Bay associating St. Petersburg, Florida to Terra Ceia.
Where is the scariest bridge in the world?
But for the brave among us who’d like to test their limits, these are the scariest bridges in the world.
- 1 The Trift Bridge. Getty Images.
- 2 Kuandinsky Bridge.
- 3 Suspension Glass Bridge.
- 4 The Vine Bridges of Iya Valley.
- 5 Eshima Ohashi Bridge.
- 6 Aiguille du Midi Bridge.
- 7 Plank Road in the Sky.
- 8 Hussaini Hanging Bridge.
Why is the Bay Bridge so dangerous?
What makes the bridge so terrifying? “For some it’s the height,” says Medell. “For some it’s because there’s no shoulder and there’s nowhere to go if they want to stop.” A lot of drivers don’t like the low railings, which offer views of the water below.
What is the most dangerous thing in the galaxy?
Death by black hole Black holes are expected to form when a massive star dies. After the star’s nuclear fuel is exhausted, its core collapses to the densest state of matter imaginable, a hundred times denser than an atomic nucleus. That’s so dense that protons, neutrons and electrons are no longer discrete particles.
What is the weirdest thing in the universe?
Top 10 Strangest Things in Space
- Cosmic Microwave Background. NASA/WMAP Science Team.
- Dark Matter. Andrey Kravtsov.
- Exoplanets. ESO.
- Gravity Waves. Henze/NASA.
- Galactic Cannibalism. NASA; ESA; Z.
- Neutrinos. The Asahi Shimbun/Getty.
- Quasars. NASA-MSFC.
- Vacuum Energy. NASA-JSC.