Broadway Bridge is a Rall-wheel, double-leaf drawbridge that ... With the longest span of any bascule bridge in the world, it’s also listed on the National Register of Historic Places.

T he Broadway Bridge is one of just a handful of surviving Rall-type bascule bridges left in the country — a rare drawbridge design that rolls back and lifts at the same time to allow waterway ...

There are three types of bascule bridges — a fixed trunnion, rolling lift trunnion (sometimes called a Scherzer rolling lift) and Rall-type. The new bridge is similar to a rolling-lift type ...