Missouri Route 109
| ||||
|---|---|---|---|---|
| Route information | ||||
| Length: | 13.128 mi[1] (21.127 km) | |||
| Major junctions | ||||
| South end: |
  Route W / Route FF in Jefferson County | |||
| North end: |
 Route CC in Chesterfield | |||
| Location | ||||
| Counties: | Jefferson, St. Louis County | |||
| Highway system | ||||
| ||||
Route 109 is a highway in St. Louis County, Missouri. Its northern terminus is at Wild Horse Creek Road in Chesterfield; its southern terminus is at Routes W and FF in Jefferson County. The road continues north, curves around Spirit of St. Louis Airport and connects with Chesterfield Airport Road, providing a "backway" to the Chesterfield area.
The original alignment of Route 109 was once Route C and the original route was renamed Route BA (the only such designation in the state). At Eureka, Route 109 crosses under Interstate 44 and continues into Jefferson County until it reaches the intersection of Routes W and FF.
Major intersections
| County | Location | mi[1] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Jefferson | | 0.000 | 0.000 | Route W south / Route FF south | |
| St. Louis | Eureka | 2.186 | 3.518 |   I-44 / US 50 – St. Louis, Rolla | |
| Wildwood | 8.376 | 13.480 |  Route 100 – Ellisville, Gray Summit | Interchange | |
| | 9.998 | 16.090 |  Route BA north – Babler State Park | ||
| | 12.397 | 19.951 | Route BA south – Babler State Park | ||
| | 13.128 | 21.127 | Route CC east (Wild Horse Creek Road) / Eatherton Road | ||
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi | |||||
References
- 1 2 Missouri Department of Transportation (July 17, 2012). Flex Map Viewer (Map). Missouri Department of Transportation. Retrieved July 17, 2012.
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