Route 79 is a highway in eastern Missouri. Its northern terminus is at Interstate 72/U.S. Route 36 in downtown Hannibal; its southern terminus is at Interstate 70 in O'Fallon. The route closely parallels the Mississippi River.

Quick Facts Route 79, Route information ...
Route 79 marker
Route 79
Route information
Maintained by MoDOT
Length86 mi (138 km)
Tourist
routes
Little Dixie Highway of the Great River Road
Major junctions
South end I-70 in O'Fallon
Major intersections
North end
I-72 / US 36 / Route 110 (CKC) in Hannibal
Location
CountryUnited States
StateMissouri
Highway system
Route 78 Route 80
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History

When Route 79 was created in about 1930, it replaced the north–south section of Route 56, which had been created in 1922 between Troy and O'Fallon. The part of Route 56 west of Winfield became an extension of Route 47.

Route 79 had major closures as a result of the Mississippi River floods of 2019 and other recent floods. Its buckling pavement in summer 2019 was attributed to hotter and more erratic climate conditions.[1]

Thumb
Along the route in downtown Hannibal

Major intersections

All exits are unnumbered.

More information County, Location ...
CountyLocationmi[2]kmDestinationsNotes
St. CharlesO'FallonSt. Peters line0.0000.000 I-70 / Great River Road St. Louis, ColumbiaSouthern end of Great River Road overlap
0.4080.657Outer Road northInterchange
1.1251.811Pearl Drive, Salt River RoadInterchange
LincolnOld Monroe11.39318.335 Route C Old Monroe, Moscow MillsInterchange
Winfield15.49224.932
Route 47 south Troy
PikeLouisiana54.56787.817
US 54 east Pittsfield
Eastern end of US 54 overlap
54.81788.219
US 54 west Bowling Green
Western end of US 54 overlap
Ralls
No major junctions
MarionHannibal87.952141.545
I-72 / US 36 / Route 110 (CKC) / Great River Road Monroe City, Springfield IL
Northern end of Great River Road overlap
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References

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