General Contractor: J.D. Eckman Inc. After more than 60 years in service, the aging superstructure of a 90-ft-long bridge that carried Interstate 476 over State Route 309 near Allentown, Pa., had ...
The existing bridge encountered several collisions due to a low clearance between US-131 and the bridge. Thus, an effective redesign was necessary. The superstructure component of the bridge was ...
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