Missouri Route 21
State highway in Missouri / From Wikipedia, the free encyclopedia
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Route 21 is a highway in eastern Missouri. Its northern terminus is at Route 30 in Affton. Its southern terminus is at the Arkansas state line (where it continues as Highway 115). In the St. Louis area, it is known as Tesson Ferry Road, which was named after the 19th century proprietor of the ferry across the Meramec River.
Tesson Ferry Road | ||||
Route information | ||||
Maintained by MoDOT | ||||
Length | 188 mi (303 km) | |||
Existed | 1922–present | |||
Major junctions | ||||
South end | AR 115 at the Arkansas state line | |||
Major intersections | ||||
North end | Route 30 in Affton | |||
Location | ||||
Country | United States | |||
State | Missouri | |||
Counties | Ripley, Carter, Reynolds, Iron, Washington, Jefferson, St. Louis | |||
Highway system | ||||
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The section through northern Jefferson County, Missouri was considered dangerous. As a result, the road was rerouted and built to freeway standards. Construction to reroute the highway to just south of Hillsboro was completed on December 15, 2008 and Route 21 is currently freeway standard from Route 141 to Highway B. Plans to extend the freeway south to DeSoto have been approved, but funds are lacking to complete this part of the project.[1]
Route 21 from the Meramec River to Route B, along with Route M, make up the Jefferson County Scenic Byway.[2][3]