But no great physical effort is required as sightseers take a high-speed transparent elevator up to the main deck of the bridge before walking up the steps along the arch rib for about 280 meters.

Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch ...

The Skew Arch Bridge was built for a trolley line that opened in 1897 and was operated by Fairmount Park Transit Co., a remnant of Philadelphia’s past. The bridge’s ribs were built to skew ...