Discovery Bridge (Missouri)

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Discovery Bridge
Coordinates 38°47′53″N 90°28′01″W / 38.798°N 90.467°W / 38.798; -90.467Coordinates: 38°47′53″N 90°28′01″W / 38.798°N 90.467°W / 38.798; -90.467
Carries 6 lanes (currently 8) of Route 370
Crosses Missouri River
Locale St. Louis County and St. Charles County in Missouri
Maintained by Missouri Department of Transportation
Design Truss
Total length 1,053 m (3,455 ft)
Width 16.8 m (55 ft)
Longest span 190.5 m (625 ft)
Opened 1993
Daily traffic 62,490 (2008)[1]

The Discovery Bridge is a pair of truss bridges carrying Missouri Route 370 across the Missouri River between St. Louis County and St. Charles County, Missouri.

The shoulder on both sides is designated a bicycle (and pedestrian) path. Separate bicycle/pedestrian access ramps are available immediately on both sides of the bridge. This provides a connection to traffic to and from the Katy Trail, which passes under the bridge.

The bicycle lane and shoulders were converted into an extra travel lane in each direction in November 2011 due to the rehabilitation of the westbound Blanchette (I-70) Bridge and the bridge was closed for bicycle and pedestrian use. The alternative river crossing was the Veterans Memorial (Page Ave) Bridge, adding about 15 miles distance to trips involving a river crossing. The bicycle/pedestrian lanes reopened in May 2014.[2][3]

See also[edit]


  1. ^ "2008 District 6 Traffic Volume and Commercial Vehicle Count Map" (PDF). MoDOT. Retrieved 9 July 2010. 
  2. ^ Blanchette Bridge renovations
  3. ^ Hwy 370/Discovery Bridge to be re-striped to include bicycle lanes again. Missouri Bicycle and Pedestrian Federation. Accessed 11/20/2015.