Missouri Route 79

Route 79
Route information
	Maintained by MoDOT
Length	86 mi (138 km)
Tourist; routes	Little Dixie Highway of the Great River Road
Major junctions
South end	I-70 in St. Peters
North end	; I-72 / US 36 / Route 110 (CKC) in Hannibal
Highway system

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 St. Peters. The route closely parallels the Mississippi River.

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]

Along the route in downtown Hannibal

Major intersections

All exits are unnumbered.

County	Location	mi[2]	km	Destinations	Notes
St. Charles	O'Fallon–St. Peters line	0.000	0.000	I-70 – St. Louis, Columbia
		0.408	0.657	Outer Road north	Interchange
		1.125	1.811	Pearl Drive, Salt River Road	Interchange
Lincoln	Old Monroe	11.393	18.335	Route C – Old Monroe, Moscow Mills	Interchange
Lincoln	Winfield	15.492	24.932	Route 47 south – Troy
Pike	Louisiana	54.567	87.817	US 54 east – Pittsfield	Eastern end of US 54 overlap
Pike	Louisiana	54.817	88.219	US 54 west – Bowling Green	Western end of US 54 overlap
Ralls	No major junctions
Marion	Hannibal	87.952	141.545	I-72 / US 36 / Route 110 (CKC) – Monroe City, Springfield IL
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus

References

Gray, Bryce. "Rising heat and climate extremes mean questions, challenges for roads, the power grid, and other infrastructure". St. Louis Post Dispatch. Retrieved November 13, 2019.
Missouri Department of Transportation (December 29, 2020). MoDOT HPMAPS (Map). Missouri Department of Transportation. Retrieved December 29, 2020.

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[1] Gray, Bryce. "Rising heat and climate extremes mean questions, challenges for roads, the power grid, and other infrastructure". St. Louis Post Dispatch. Retrieved November 13, 2019.

[MoDOT-2] Missouri Department of Transportation (December 29, 2020). MoDOT HPMAPS (Map). Missouri Department of Transportation. Retrieved December 29, 2020.