Kinzie Street railroad bridge

The Chicago and North Western Railway's Kinzie Street railroad bridge (also known as the Carroll Avenue bridge) is a bascule bridge across the north branch of the Chicago River in downtown Chicago, Illinois. When it opened in 1908, it was the world's longest and heaviest bascule bridge.^[1]

Kinzie Street railroad bridge
Kinzie Street railroad bridge permanently locked in the raised position
Coordinates	41°53′18.7″N 87°38′21″W
Crosses	Chicago River
Locale	Chicago
Official name	Chicago & North Western Railway, Kinzie Street drawbridge
Other name(s)	Carroll Avenue bridge
Owner	Union Pacific Railroad
Heritage status	Chicago Landmark
Characteristics
Design	bascule bridge
Total length	195.83 feet (59.69 m)[1]
Width	41.7 feet (12.7 m)[1]
Longest span	170 feet (52 m)[1]
History
Construction start	December 1907
Opened	September 19, 1908[1]
Location

The Chicago Sun-Times was the last railroad customer to the east of the bridge. They moved their printing plant out of downtown Chicago in 2000. The bridge has been unused since then. It was designated a Chicago Landmark in 2007.