Verrazzano-Narrows Bridge anchorage on the Staten Island side contains a facility for heating cinders that are used to de-ice the bridge deck during winter. At the time of opening, the Verrazzano-Narrows Bridge was the longest suspension bridge in the world; its 4,260-foot center span, between the two suspension towers, was longer than the Golden Gate Bridge's center span. Despite being only slightly longer than the Golden Gate Bridge, the Verrazzano-Narrows Bridge could carry a 75% greater load than the former could. In 1981, the Verrazzano Bridge was surpassed by the Humber Bridge in England, which has a center span of , as
Otowi Suspension Bridge National Laboratory, which became nationally important during World War II. It was also the only public highway suspension bridge in the state and was the best-rated bridge in the state in a 1987 survey. It was a contributing property in the listing of the Otowi Historic District to the National Register in 1975. Otowi Suspension Bridge The Otowi Suspension Bridge, spanning the Rio Grande River near San Ildefonso, New Mexico, is a wooden suspension bridge built in 1924. It was listed on the National Register of Historic Places in 1997. The bridge has been closed to vehicular traffic since the