- Missouri Route 370
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Route 370 Route information Maintained by MoDOT Length: 11 mi[citation needed] (18 km) Existed: 1993 – present Major junctions West end: Interstate 70 in St. Peters
East end: Interstate 270 in Bridgeton
Highway system Missouri Highways
Supplemental← Route 367
Route 371 →
Route 370 is a freeway that connects St. Louis County with St. Charles County via the Discovery Bridge over the Missouri River.
Contents
Route description
From west to east, Route 370 begins in St. Peters at Interstate 70 east of Mid Rivers Mall Dr and ends in Bridgeton at Interstate 270 west of Missouri Bottom Rd.
History
Construction on SR-370 began in the early 1990s. It was built to replace the section of St. Charles Rock Rd, then designated as Route 115, west of Interstate 270. On December 16, 1992 the first section of the highway opened allowing direct access to St. Charles at Route 94 from I-270. It replaced the crumbling Old St. Charles Bridge that carried SR-115 traffic. On April 1, 1993 the road was designated as SR-370. Later in 1993 a great flood surrounded much of the highway which is built on top of an embankment. As the flood waters surrounded the highway, many of the new exits had been shut down because the roads it connected to were underwater. Despite the flood construction resumed on the highway until it was completed in 1996.
Exit list
County Location Mile # Destinations Notes St. Charles St. Peters 1A I-70 – St. Louis
1B I-70 west – Kansas City
1C Salt River Rd. westbound only 2 Truman Blvd. / Lakeside Park Dr. St. Charles 5 Elm St., New Town Blvd. 7 Route 94 / North 3rd St.
St. Louis Bridgeton 9 Earth City Expressway 11 St. Louis Mills Blvd. 12A I-270 north – Chicago
12B Missouri Bottom Rd. Exit only 12C I-270 south – Memphis
See also
- Interstate 270
- Interstate 70
- Route 94
Categories:- State highways in Missouri
- Interstate 70
- Roads in St. Louis County, Missouri
- Roads in St. Charles County, Missouri
- Freeways in the United States
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