Missouri Route 100

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Route 100
Maintained by MoDOT
Length: 121 mi[1] (195 km)
East end: St. Louis
West end: US 50 in Linn
Missouri Highways
< Route 99 Route 101 >
Supplemental

Route 100, also named Manchester Road through St. Louis County, is a state highway in the U.S. state of Missouri. It runs from Linn, Missouri at U.S. Route 50 to Interstate 55 in St. Louis. The highway is 121 miles (195 km)[1] long.

Contents

Route description

Route 100 begins at US 50 in Linn. The highway heads north from Linn until it encounters the Missouri River, where it turns eastward to parallel the river. At Chamois, Missouri, it serves as the the northern terminus of Route 89. It then enters Gasconade County near Morrison and bridges the Gasconade River near its mouth at the eponymous town. In the county seat, Hermann, Route 100 has a short concurrency with Route 19. The highway passes through New Haven, in Franklin County, 14 miles (23 km)[2] later. The highway then intersects Route 185 at its northern terminus, and Route 47 in Washington. Near Gray Summit, Route 100 crosses over Interstate 44 two times, with an interchange providing access to the freeway.

Northeast of Gray Summit, Route 100 crosses into St. Louis County, entering the city limits of Wildwood at the same time. Just north of the intersection with Route T, the highway becomes an expressway. In Wildwood, it has an interchange with Route 109. Route 100 then enters Ellisville, where the expressway ends. From here all the way into St. Louis, the highway also carries the local name Manchester Road. In Ellisville, Route 340 (Clarkson Road) meets its southern terminus. Route 100 then proceeds into Ballwin. It then divides Manchester from Winchester, Missouri before wholly entering Manchester, where it has a single-point urban interchange (SPUI) with Route 141. Route 100 then runs through a swath of unincorporated territory en route to Des Peres. The route crosses over Interstate 270, the St. Louis beltway, in that town. East of Ellisville, Route 100 enters Kirkwood; there, Manchester Road intersects Kirkwood Road (the name given to Lindbergh Boulevard in Kirkwood), which carries US 61/67. Route 100 then passes through the smaller suburbs of Warson Woods, Glendale, Rock Hill, Brentwood, and Maplewood.

After leaving Maplewood, Route 100 continues into the independent City of St. Louis. As Manchester Road crosses Vandeventer Avenue, the highway becomes Chouteau Avenue. Route 100 continues east on Chouteau Avenue towards downtown St. Louis. The route ends just east of South Broadway, at the Interstate 55 overpass. Due to the nearby east terminus of I-44, there is no interchange with I-55 at the state route's terminus.

The Lewis and Clark Trail

Most of Route 100 is part of the Lewis and Clark Trail. From Kirkwood Rd in Kirkwood to three miles west of Wildwood is one section, where the trail turns off on Route T. Route T will eventually end, once again, at Route 100 northwest of I-44 and continue down Route 100 all the way to five miles north of Linn (where Route 100 ends), and the Lewis and Clark Trail turns off onto Route C.

History

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Further information might be found on the talk page or at requests for expansion.

Much of the road between St. Louis and Gray Summit was the original U.S. Route 66, though this was only temporary until US 66 moved to its later location at what is now Watson Rd (Route 366) and Interstate 44. During, and after US 66 was moved off Manchester Rd, the road remained part of U.S. Route 50 for many years.

Junction list

County Location Mile[1] Roads intersected Notes
Osage Linn 0.0 US 50 Western terminus
Chamois 17.9 Route 89 Northern terminus of Route 89
Gasconade Hermann 41.2 Route 19  
42.0 Route 19  
Franklin   62.2 Route 185 Northern terminus of Route 185
Washington 70.3 Route 47  
Gray Summit 82.1 I-44 Diamond interchange
St. Louis Wildwood 95.7 Route 109 Diamond interchange
Ellisville 98.9 Route 340 Southern terminus of Route 340
Manchester 103.1 Route 141 SPUI
Des Peres 106.5 I-270 Partial cloverleaf interchange
Kirkwood 108.9 US 61/67  
City of St. Louis 121.0 I-55 Eastern terminus

References

  1. ^ a b c Google, Inc.. Google Maps [map]. Cartography by NAVTEQ. Retrieved on 2008-04-19.
  2. ^ Missouri Department of Transportation. Official Highway Map [map], 2007-2008 edition.