L severe loss of historic integrity due to alteration.
Scherzer rolling lift bridge company of chicago.
Scherzer rolling lift bridge co.
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.
There are four scherzer rolling lift style highway bridges in joliet whereas the chicago only contributes one.
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.
The bridge was 115ft long and carried street traffic.
In chicago where the city usually built trunnion bascule bridges this is the only remaining example of this bridge type on chicago s roads.
The first scherzer rolling lift bridge was built in 1895 to span the chicago river at van buren street.
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.
At risk for demolition or destruction.
Lost scherzer rolling lift bridge over south branch chicago river on loomis street replaced by a new bridge.
Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge.
Ultimately though it was the trunnion bascule bridge that became a chicago staple.
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.
Today this type of movable bridge is in fact known as a scherzer rolling lift bascule bridge.
Special bridge conditions legend.
Scherzer in 1885 was employed as the assistant to the chief engineer of the keystone bridge company of chicago.
This bridge was designed by scherzer rolling lift bridge company.
S dismantled and or in storage.
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.
Old ninth street bridge.
Scherzer rolling lift bridge company of chicago illinois.
X confirmed demolished or collapsed.
The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer.
One of the few surviving examples is the broadway bridge 1913 in portland oregon.
The search generated disagreement between the scherzer rolling lift company of chicago and chicago department of public works city engineer john e.
R former location of relocated bridge.
It was patented 1901 by theodor rall.
Scherzer entered into business for himself in 1893 in chicago as a consulting and contracting engineer.