Intrepid Museum, New York City. One of 6 45' long articulating aluminum gangways. Width 44" to meet NYC emergency egress standards.
Intrepid Museum gangway front view

These gangways needed to "bend" because the air craft carriers entrance doors dipped below the pier at low tide.
Intrepid Museum gangway side view

One of 2 35' long aluminum gangways from the pier to the submarine USS Growler. More than 1,000,000 visitors use these gangways every year.
Intrepid Museum gangway with people