Most of the locks were 184 feet long and 36 feet wide, able to handle boats up to 160 feet long. The sandstone locks (along with wood miter gates, rock-filled timber-crib dams and bypass canals with guard gates) created a slackwater navigation system stretching over 90 miles.
Timber-Crib
![Muskingum River Navigation System](/sites/default/files/styles/landmark_node_/public/landmarks/images/Muskingum_River_Lock.jpg?itok=Bs5yMwfp)
YearAdded:
Image Credit: Courtesy Flickr/gb_packards (CC BY-ND 2.0)Image Caption: Muskingum River LockEra_date_from: 1837
2000
Innovations
![Muskingum River Navigation System](/sites/default/files/styles/thumbnail/public/landmarks/images/Muskingum_River_Lock.jpg?itok=yxmbPfIp)
Most of the locks were 184 feet long and 36 feet wide, able to handle boats up to 160 feet long. The sandstone locks (along with wood miter gates, rock-filled timber-crib dams and bypass canals with guard gates) created a slackwater navigation system stretching over 90 miles.
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