Lost scherzer rolling lift bridge over south branch chicago river on loomis street replaced by a new bridge.
Scherzer rolling lift bridge company of chicago.
The scherzer rolling lift bridge company the possibilities of the rolling lift type of bascule bridge being indicated bj the success of the first bridge steps were taken shortlj after the death of william scherzer to develop the principles of design conceived by him and place them before the public on a business basis.
The rarer rall type combines rolling lift with longitudinal motion on trunnions when opening.
Although the rolling lift bridge a type of bascule bridge was mechanically the most simple alternative engineers soon discovered that the span applied its load in a rolling motion on its.
There are four scherzer rolling lift style highway bridges in joliet whereas the chicago only contributes one.
Special bridge conditions legend.
Today this type of movable bridge is in fact known as a scherzer rolling lift bascule bridge.
The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer.
Scherzer entered into business for himself in 1893 in chicago as a consulting and contracting engineer.
Chicago may be the bascule bridge capital of the world but no tour of bascule bridges is complete without a trip down to joliet where the scherzer rolling lift bascule bridge outnumbers the chicago trunnion style bascule bridge.
X confirmed demolished or collapsed.
Scherzer rolling lift bridge co.
At risk for demolition or destruction.
The bridge span can be rotated upwards to almost 90 degrees which allows just about any type of traffic to pass under it without ever harming the bridge.
R former location of relocated bridge.
It was patented 1901 by theodor rall.
Ultimately though it was the trunnion bascule bridge that became a chicago staple.
This bridge was designed by scherzer rolling lift bridge company.
One of the few surviving examples is the broadway bridge 1913 in portland oregon.
In chicago where the city usually built trunnion bascule bridges this is the only remaining example of this bridge type on chicago s roads.
L severe loss of historic integrity due to alteration.
Scherzer rolling lift bridge company of chicago illinois.
He was there for eight years.
Scherzer in 1885 was employed as the assistant to the chief engineer of the keystone bridge company of chicago.
The bridge was 115ft long and carried street traffic.
The search generated disagreement between the scherzer rolling lift company of chicago and chicago department of public works city engineer john e.
The scherzer rolling lift bridge is similar to a rocking chair with large counterweights above the road level to help balance the bridge as it opens and closes.
Old ninth street bridge.
Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge.