What is the longest bridge in Iowa?

The longest bridge in Iowa is the I-29 Missouri River Bridge, also known as the Crescent Bridge, which spans the Missouri River between Council Bluffs, Iowa, and Omaha, Nebraska. The bridge is 6,000 feet (1,829 meters) long and carries six lanes of traffic on Interstate 29. It was completed in 1967 and is the fourth-longest continuous truss bridge in the United States.