5 Oldest Bridges in the United States


Bridges are an important part of everyone’s life. They play a major role in building a nation’s economy. Bridges facilitate the travel of a country. Thus, it’s important to keep them well maintained. There are many bridges across the world. In fact, some of the countries are known for their iconic bridges. 

A few years back, the transportation infrastructure of the United States was not in very good condition. But, now it’s getting better. Private transportation infrastructure companies invest private bridge capital to help the government in solving the infrastructure crisis in the United States.

Let’s talk about 5 oldest bridges in the United States:

Bixby Creek Bridge, Monterey County, California


This is one of the most ancient bridges in the United States. In fact, this is known as the best place for photography and the credit goes to its beauty and grace. This bridge is 714 feet long and 24 feet wide. 

The construction of this bridge was started on August 24, 1931, and ends on October 27, 1932. Approximately, $199,861 was spent in the construction of this bridge.

Royal Gorge Bridge, Fremont County, Colorado


This is another ancient bridge located in Colorado. Royal Gorge Bridge is one of the famous tourist spots across the United States. According to a recent survey report, around 500,000 people visit this ancient bridge every day. 

However, this bridge is open for limited vehicles only. Heavy trucks are not allowed to pass this bridge. The pedestrians are mostly using this ancient bridge. This bridge is 1260 feet long and 18 feet wide. Around $350,000 was spent in the construction of this bridge.

Ambassador Bridge 1929, Detroit, Michigan


This is an ancient suspension bridge that connects some regions like Michigan with Windsor, Detroit, and the United States, Ontario, and Canada. In the construction of the Ambassador Bridge, heat-treated cable wires were used! Initially, the name of this bridge was the Detroit River Bridge but lately, it changed to Ambassador bridge. This bridge reflects the healthy relations between Canada and the United States of America. 

The Ambassador Bridge is 7500 feet long and 1850 feet wide. The construction of this bridge was started in 1927 and was opened for the public in 1929. The total cost of Ambassador bridge’s construction is $23.5 million. After construction, this was known as the longest suspension bridge across the world.

Seven Mile Bridge 1909-1912, Monroe County, Florida


This is another oldest bridge located in Florida, United States. This was one of the longest bridges around the world. However, this bridge was damaged due to a hurricane. After this huge damage, the US government has decided to rebuild this bridge again. 

Well, the new layout of seven-mile bridge was extremely simple. The seven-mile bridge is 10887.5 meters long and 11.58 meters wide. The construction duration of the old seven-mile bridge was 1909-1912 and the new bridge was opened for traffic in 1982.

The Smithfield Street Bridge, Pittsburgh, Pennsylvania


This is a truss bridge above Monongahela River in Pittsburgh, Pennsylvania. This two-span bridge has completed within 2 years. 

The length of this bridge is 1,184 feet. The Smithfield street bridge is a National Historic Landmark as well.

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