Since the 9100-foot-long Veterans’ Glass Skyway will be a major landmark in Toledo for many years, Ohio DOT engineers went to great lengths to ensure the bridge would be pleasing to the eye. Designers specified that the massive concrete elements all have a smooth sheen when in place. Concerned for the surface appearance, the precaster wanted a system that would reduce blemishes and defects. The opted for external vibration. Internal vibrators handle placement around the interior reinforcement in the standard precast segments.