Wabash Bridge piers along Monongahela River in Downtown Pitt

The piers used to support the Wabash Bridge, which carried freight trains through the Wabash Tunnel.

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United States , Royce Jones , Hanna Langholz Wilson Ellis , National Coast Guard , Army Corps Of Engineers , Monongahela River , Downtown Pittsburgh , Wabash Bridge , Army Corps , National Coast , Pittsburgh ,