The 1-80 overpass allows bicycle and pedestrian access to the Marina.
Mark Ketchum, the bridge's principal engineer and plaque honoree, reminisces about the construction process.
A crew of local and state officials cut the ribbon on the Bay Trail Extension.
The trail extension stretches along the south side of University Avenue toward the Marina.
It was an eventful afternoon at the Berkeley Marina, with crowds gathering in the characteristic wind to celebrate the grand opening of a new Bay Trail extension and unveil a plaque acknowledging those who were integral in the creation of the adjacent Interstate-80 bicycle/pedestrian bridge.