Minnesota Department of Transportation

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Approved/Qualified Products

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Three-sided precast concrete bridge structure

Three-sided Precast Concrete Bridge Structure Approved Products
Manufacturer Description Approval Date Restrictions

Conspan Bridge Systems

Arched top
8/2003
The gravity anchored wingwall will be evaluated based in scour conditions on a project by project basis.

Forterra Arch Bridge

Arched top
6/2004
The gravity anchored wingwall will be evaluated based in scour conditions on a project by project basis.
Pretek Group LLC Arched top 7/2013 The gravity anchored wingwall will be evaluated based in scour conditions on a project by project basis.
Forterra CrownSpan Flat top 1/2006 Approved for CIP wingwall.
Oldcastle Precast, Inc. Flat top 8/2003