Some
Big
Bridges
Ambasador
The Ambassador Bridge connects Detroit and Michigan to Canada. The main span of the bridge is 1,850 ft. long. The Ambassador Bridge was built in 1929. The bridge was built because people in Michigan wanted to be able to get to Canada without having to go around to another bridge, but just go straight north.
Walt Whitman
The Walt Whitman Bridge is located in Philadelphia, Pennsylvania. It was made in 1957. The main span of the bridge is 2,000 ft.
Golden Gate
The Golden Gate Bridge is located in San Francisco Bay. It was made in 1937. The total span of the bridge is 8,981 ft. long. The main span of the bridge is 4,200 ft. long.
Verrazanno Narrows
The Verrazanno Narrows Bridge is located in New York, New York. It's total span is 13,700 ft. The main span of the bridge is 4,260 ft. The bridge was built in 1964.