CHEAUTEAU BRIDGE

PROJECT SUMMARY: 
Here crews were to create embankments to support a bridge and off-ramp in a congested area of St. Louis near Cheauteau Bridge where the Union Pacific and Burlington Northern Railroads cross New Line Industrial Boulevard.  Existing conditions essentially closed off access to a portion of this vital business area and improved traffic access had to be created.

PROJECT SOLUTION:
To support embankments for the new bridge construction over Manchester Road, Ideal crews used Champion Pre-Cast panels designed by the Reinforced Earth Company to clad the retaining walls.  The face of this project is noticeably more decorative than the more modest panels specified in the construction of Metrolink, Facilities 2.

This area was filled with approximately 50,000 tons of manufactured sand has great drainage properties.

SPECIAL CONSIDERATIONS:
Engineers expected 3 to 5 inches of settlement during the project, which was significant.  This required a significant waiting period as settling was monitored.  Another obstacle to construction was the unexpected location of an old, but still in-service, sanitary sewer line owned by the City of St. Louis.  In order not to crush this line with the weight of construction a special load-bearing concrete slab was added for protection.

PHOTOS:

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