Top 5 Longest Bridges in the US You Must See in 2026
The US has some of the best bridges in the world with big spans that cross lakes, rivers, and the coast. These structures are beyond only strips of concrete, wood, and steel; they are popular structures that attract visitors, photographers, and road trip lovers. While you want to find out about the longest bridges in the US, this guide will give you the five most famous bridges. Each bridge on this list has a story, location, and look that make it well worth the trip.
Exploring the Longest Bridges in the United States
When studying the best ones, it's important to know the characteristics that make a bridge good. The longest bridges US cover the whole route, rather than the main portion. Few bridges go across land, while others go across water, and some are both at the same time. The engineering that goes into structures takes years to plan out and test many times; that is one reason they have lasted for so long. These bridges also help people in transportation. They link cities together and help millions of people all year round.
Where is the Long Bridge in the US?
Where the longest bridge in the US, which is in Louisiana. The long one is called the Lake Pontchartrain Causeway, which is a long bridge that goes over a lake. The bridge is not just long; it holds the world record as the longest bridge over water. Travelers say going across the bridge is like floating on the top of the lake because the land goes away for a few miles. That makes this a place you do not want to miss for a trip across the U.S. highways.
How Long is the Longest bridge in the US?
Many people ask the same question: how far is the longest bridge in the USA? The answer is very amazing. The Lake Pontchartrain Bridge is across 23.8 miles long and ranks among the world's greatest water bridges. This bridge joins the cities of Metairie and Mandeville. It helps thousands of drivers get to work every day. It also has one of the best and safest routes for people who live near Lake Pontchartrain. It holds the record for the longest continuous bridge over water in the world.
Top 5 Longest Bridges in the USA
Below is a look at the top 5 longest bridges in the USA. Each one has its own special beauty and great design. These bridges are unique in size, position, and structure.
1. Lake Pontchartrain Causeway in Louisiana
This bridge is among the top five longest in America. It was opened in the 1950s and was fixed up over the years. This bridge is a main way for drivers. Then it is very long, almost 23.8 miles long. This is the longest bridge over water in the world. The bridge gives drivers a very good feeling of having water all around them, and if you drive on the bridge, you will not see land anywhere for miles. So it is a very relaxing and unique trip.
2. Manchac Swamp Bridge, Louisiana
It's simply over 23 miles long and one of the top five longest bridges US. This path leads through an area full of animals. It is beautiful to see from the start to the end of this long road. It was difficult to build due to the soft, muddy ground, but it remains strong and withstands severe weather. Many visitors like to take this trip because it shows the beauty of Louisiana in the past.
3. Atchafalaya Basin Bridge - Louisiana
The Atchafalaya Basin Bridge is very long in the US. It is about 18.2 miles long, and it crosses a big marsh in the US. When you go over this bridge, you see very nice views of the Atchafalaya Basin. In fact, it looks so nice when you see the sun rise or set. Whether you like trips in a car or taking photos of nature, this is a very good place to visit. This is also the most used bridge in Louisiana because people use it daily and on long trips.
4. Chesapeake Bay Bridge-Tunnel, Virginia
It is one of the unique structures in the US. It is about 17.6 miles long and has long bridges and tunnels underwater. It makes it not like the other longest bridges in the US. You get to see the ocean, sea birds, and ships if you cross. This links the beaches of Virginia to Virginia's eastern side. The pair of bridges and tunnels makes it an enjoyable trip, especially for those who enjoy beach views.
5. Bonnet Carré Spillway Bridge, Louisiana
It is the last of the five longest bridges in America. It is approximately 11 miles long and serves an important role in flood control. When it rains, people open a spillway to remove any excess water. This bridge is loved by many drivers as it makes for a nice drive with big views of the pure land.
Key Features of the Longest Bridges in the US
These longest bridges have common qualities that make them strong and last long. Here is a list of the features most of the longest bridges in the USA have. It helps to know this before we list the features. Long bridges have to fight against wind, water pressure, heavy traffic, and natural storms. People build them with strong stuff, new tools, and good plans so that they do not fall or break. These are the features that make them last and be so big.
- Good steel and concrete parts to hold up the bridge.
- High spots to hold up large spans.
- It is built deep into the water or soil.
- Roads built to handle big traffic.
- Safety rails, lights, and help stations.
Final Thoughts
The longest bridges in the USA are not just roads but signs of great work and man's skill. Some of them are in swamps and some in seas, and they reach a great distance and make a trip you will not forget. If you want to see the top 5 longest bridges in the US and where they are located, this guide has all the details. If you see these structures, you can turn a trip that is just a trip into one you will not forget.
