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Route 7 Grade Separation

Manchester, Vermont


Vermont Agency of Transportation


Gannett Fleming Transportation Eng., Inc.


J.A. McDonald



The Vermont Agency of Transportation turned to Contech when reconstructing U.S. Route 7 as the primary north-south limited access highway along the west side of the Green Mountains.

A 37’ span galvanized steel High Profile Arch SUPER-SPAN (AASHTO Long Span Bridge) was selected to serve as a grade separation under U.S. Route 7. Galvanized metal bin walls were also incorporated to retain fill on the ends.


Technical Description:

  • Span: 37 ft - 2 in
  • Rise: 26 ft - 9 in
  • Length: 134 ft
  • Product: SUPER-SPANTM

800-338-1122 |

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