The Mike O'Callaghan–Pat Tillman Memorial Bridge is an arch bridge in the United States that spans the Colorado River between the states of Arizona and Nevada. The bridge is located within the Lake Mead National Recreation Area approximately 30 miles (48 km) south-east of Las Vegas, Nevada, and carries U.S. Route 93 over the Colorado River.
Opened in 2010, it was the key component of the Hoover Dam Bypass project, which rerouted US 93 from its previous routing along the top of Hoover Dam and removed several hairpin turns and blind curves from the route.
Dam information:
• The Hoover Dam was built after the 1930 Great Depression, the project was meant to provide jobs for thousands of unemployed Americans
• Dam type: Concrete gravity-arch dam
• Top width: 45 ft. (14 m), Base width: 660 ft. (200 m)
• Height: 726 ft. (230 m), Length: 1245 ft. (380 m)
• Construction began in 1931 and ended in 1936
• Cost: $49 million
• Reservoir: 28,537,000 Acre ft. (35,200 Kilo cubic meter)
• Power annual generation: 4.2 Billion kWh
• Hoover Dam is a popular tourist site – annually visited by more than a million people
The original name for the bridge was “Hoover Dam Bypass Bridge”
Now officially called: Mike O’Callaghan – Pat Tillman Memorial Bridge
Mike O'Callaghan – (Sept. 10, 1929 – Mar. 5, 2004) Joined the Marines at sixteen, in 1952 he lost part of his left leg in the battle of Korean War, from 1971 to 1979 he was Governor of Nevada, later he was the Executive Editor at the Las Vegas Sun newspaper.
Pat Tillman – (Born Nov. 6, 1976) A famous NFL football player from Arizona, he gave up his well-paid job and joined the army. He was killed by friendly fire in Afghanistan on April 22, 2004.
Bridge technical information:
• Designed by T. Y. Lin International (林同棪)
• Bridge length: 1900 ft. (580 m)
• Arch span: 1060 ft. (320 m)
• Bridge width: Four lane highway
• Bridge height: 840 ft. (263 m)
• Bridge away from Hoover Dam: 1600 ft. (550 m)
• Construction began on Feb. 2005 and completed on Oct.2010
• Construction cost: $114 million
• This is the first Concrete-and-steel composite arch bridge built in the United States
• Pedestrian access to the bridge is available for tourists
Why Was the Recipe of Concrete Lost in the Middle Ages?
Ancient Romans invented concrete millennia ago. But then, in the Middle Ages, the recipe of concrete has been forgotten for centuries...
This Underwater Bullet Train Will Be One of a Kind
India is set to develop it's first underwater bullet train project that is believed to be one of a kind.
Mona Lisa's House: Where Da Vinci Painted His Masterpiece
The following photos will allow you to take a peek inside the home of the woman who intrigues millions of art and history lovers around the world.
Danyang–Kunshan: The Longest Bridge in the World
The Danyang–Kunshan Grand Bridge in China is the longest in the world. Admire this architectural marvel here.
Take a Look at the World’s Most Expensive Train Station
NYC's Second Avenue Subway has been nearly a century in the making, and it costs nearly $2 billion per kilometer!
Welcome to Elk Rock Residence, a Retro Luxury Tree House
This house was built entirely by high school dropouts, who all found a second chance for a successful life and career.
These Photos of Myanmar Are Absolutely Stunning
Kyaw Kyaw Winn is a very talented photographer from Myanmar. Here is a selection of some of his best shots.
This Showstopping Senior Couple Steals the Show Every Day
'In old age, life just begins' is definitely the motto for this elderly couple who are Berlin's fashion icons and social stars
Then & Now: Stars Side by Side Their Own Childhood Photos
These images make it seem as though celebrities are casually hanging out with themselves as kids, and it's pretty fascinating to see!
There’s So Much We Still Don’t Know About Titanic’s Making
Discover how James Cameron filmed the sinking scene in his iconic film Titanic.'
These Photographers Got Their Timing Absolutely Spot On!
These perfectly timed photographs are proof that you don’t need to be a professional photographer to take awesome pictures.
25 Photo Restorations of US Presidents Who Lived Long Ago
This talented artist created a series of incredible photo restorations of the portraits of US presidents who lived and served before colored photography
These Photos Were Captured Just at the Right Moment...
These amazing photos were each shot at exactly the right moment for hilarious, beautiful and incredible photographs. Take a look!
You've Got to See This Award-Winning Aerial Photography!
Have a look at some of these incredible award-winning drone photos from Dronestagram's annual contest.
Feel the Solitude: These Photos of the Arctic are Breathtaking!
Step inside one of the most solitude places on Earth. Finnish Photographer Tiina Törmänen captures the vast, icy beauty of this most remarkable and breathtaking place.
7 Incredible Ancient Engineering Feats to Astound You
Our ancient ancestors were incredible engineers as you're about to learn from this infographic.
Now THIS is My Idea of Great Nature Photography
The following series of photos was taken by professional photographers at great effort, enjoy!
I've Never Seen Photos As Stunning As These
These beautiful shots, which look more like art will undoubtedly impress you.
16 Stunning Photos That are Worth 1000 Words
They say that a picture can paint a thousand words, but we feel that the following pictures can paint 10,000 words.
View Amazing Animated Photos of Landscapes Past & Present
Landscapes change enormously over time, and these photos capture that fact better than ever. Here are 12 landscapes photographed in the past and present.
These Old Photos Showcase Some Major Changes in Ireland
The last few decades of the 19th century and the first few of the 20th were periods of major change for Ireland. These photos capture that wonderfully.
The Small Things in Nature Are the MOST Precious!
All 22 of these genius macro shots will reveal the captivating hidden beauty of nature to you from a brand new, and much closer look
These Crazy Statues Will Really Mess with Your Head...
Check out these 15 bombastic sculptures that simply appear to defy the laws of physics. Take a look for yourself!
23 Incredible Photographs Taken at Just the Right Moment
These scarcely believable pictures have NOT been doctored. They were just taken at the perfect time.
21st Century Architecture is Really Stunning to Behold...
While modern architecture can be divisive, there's no denying it makes you sit up and take notice. Here are 14 stunning examples of 21st Century architecture.
Welcome to Elk Rock Residence, a Retro Luxury Tree House
This house was built entirely by high school dropouts, who all found a second chance for a successful life and career.
These Cool Cat Portraits Really Capture the Feline Spirit
If you like cats - even only a little - don't miss these phenomenal cat portraits!
Polish Castles: Having a Look at Some Architectural Beauty
Flying above the beautiful castles of ancient Poland.
19 Images of Deceptive Moments You’ll Never See in Reality
Photographers have a lot of tricks up their sleeve, and these 19 images will be a little daunting to your senses.
20 Stunning Photos of Women in the Most Gorgeous Dresses!
Get ready to appreciate a showcase of the most outstanding pieces of fashion along with some of the most picturesque locations on the planet. Enjoy!
Even Grown-Ups Can't Resist These Amazing Playgrounds!
This Danish company creates such incredible playgrounds that your kids will never want to go home!
Welcome to the Most Beautiful Library in the World
I would give a lot to be able to spend a few hours in this amazing place.
These Photos Are REAL? Yep, They Sure Are!
No images will bend and bamboozle your mind as much as these 19, completely real photos. Can you work out what was going on here?
Drop Everything and Take a Look at These Incredible Photos
You've simply got to check out these 20 powerful photographs that really do say a thousand words each!
This Dark Underground Chamber Contains Millions of Shells
This winding underground passageway contains millions of beautifully arranged shells. But why?
25 Photos That Tell an Amazing Story
Extraordinary photos from recent years who have really made an impact on all who see them.
These 1900s Colored Photos are the First Ever Taken
Normally, we'd expect old photos to be black and white. Here are some stunning century-old color photographs using a groundbreaking technique.
Showstopping Aerial Photos From 22 Famous Places Worldwide
Agora Images is back with another astonishing competition, and this time, we'll be soaring in the sky above 22 iconic locations around the world
This Ukrainian Pastry Chef Creates Cake Masterpieces
This chef is a shining star in the skies of handmade artisanal pastries. She is so exceptionally creative that she can be defined as a sculptor chef.
History Really Starts to Come Alive When You Add Color
If you love history then you'd better hold onto your hat. Discover a collection of 20 colorized historical photos alongside the original monochrome photos for reference
These Portraits Combine People With Their Young Selves
In certain instances, it's uncanny how much people remain looking like their younger selves well into adulthood. Take a look at this composite portraiture.
These Underwater Photos Are Bound to Leave You in Awe!
Check out some of the most outstanding entries from 2018's Underwater Photographer of the Year contest. which will make you wonder just how many other wonders and horrors are lurking deep beneath the surface of the ocean.
History Doesn't Forget: Rare Historic Photos!
Here, the past is still alive and kicking, and for a few moments, we are back in those momentous time and events that shook the world not that long ago...
This Parisian Apartment Has Been Untouched for 70 Years!
I can hardly believe this time-capsule of an apartment, that was locked away and forgotten about for 70 years. It's like nothing has changed in a century!
10 of the Most Outlandish Building Designs Ever Conceived
These 10 architectural projects push the envelope far enough to reach another planet. Here are 10 of the most outlandish construction projects ever conceived.
These Optical Illusions Will Totally Mess With Your Head
Check out these optical illusions and let the head-scratching begin! There are no less than 24 of them to enjoy in this post.
Here Are 14 of the Funniest Wildlife Pictures You Will See
Sometimes wild animals can be pretty amusing without realizing it and these hilarious pictures show them at their funniest!