Sherman Cahal has written a history of the bridge at the Bridge Hunter link above.
Construction activity for its replacement has already started appearing in satellite images.
|Test Train, photo taken on July 31, 1875, from Bridge Hunter|
|HAER NY,61-PORT,1--2 from Photos from HAER NY,61-PORT,1-|
|Modjeski and Masters photo from ConstructionEquipmentGuide from posting|