Counties Impacted
Marion
Ralls
Monroe
Randolph
Route Impacted
24
In Progress
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Mark Twain Lake

Mark Twain Lake

Mark Twain Lake is located in Ralls County, Missouri and Monroe County, Missouri. It was created by the Clarence Cannon Dam (formerly called Joanna Dam) impounding the Salt River and is located about 20 miles (32 km) southwest of Hannibal. The lake was named for Missouri author Mark Twain and part of the area around it is Mark Twain State Park. The village of Florida, birthplace of Mark Twain, is mostly surrounded by the lake.

News Releases

  • Bridge Repairs to temporarily close Route C in Randolph County

    07/28/2022

    HANNIBAL – Weather permitting, August 15, work will begin on a bridge repair project located on Randolph County Route C, over U.S. Route 24, 3.6 miles east of Missouri Route 3, near Huntsville. The bridge at this location will be closed to traffic...

  • Quincy Memorial Bridge to close March 14

    03/08/2022

    QUINCY – The Illinois Department of Transportation announced that the Quincy Memorial Bridge (eastbound U.S. 24) will close to continue repairs, weather permitting, starting March 14.

    Two-way traffic will be maintained on the Bayview Bridge...

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