The first scherzer rolling lift bridge was built in 1895 to span the chicago river at van buren street.
Scherzer rolling lift bridge company of chicago.
L severe loss of historic integrity due to alteration.
Lost scherzer rolling lift bridge over south branch chicago river on loomis street replaced by a new bridge.
In chicago where the city usually built trunnion bascule bridges this is the only remaining example of this bridge type on chicago s roads.
One of the few surviving examples is the broadway bridge 1913 in portland oregon.
S dismantled and or in storage.
There are four scherzer rolling lift style highway bridges in joliet whereas the chicago only contributes one.
Scherzer rolling lift bridge company of chicago illinois.
At risk for demolition or destruction.
R former location of relocated bridge.
It was patented 1901 by theodor rall.
The scherzer rolling lift is a refinement patented in 1893 by the american engineer william donald scherzer.
Scherzer was the inventor of a refinement of the bascule bridge called the scherzer rolling lift bridge.
The rarer rall type combines rolling lift with longitudinal motion on trunnions when opening.
Scherzer entered into business for himself in 1893 in chicago as a consulting and contracting engineer.
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.
Special bridge conditions legend.
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.
Today this type of movable bridge is in fact known as a scherzer rolling lift bascule bridge.
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.
Ultimately though it was the trunnion bascule bridge that became a chicago staple.
The search generated disagreement between the scherzer rolling lift company of chicago and chicago department of public works city engineer john e.
X confirmed demolished or collapsed.
Scherzer rolling lift bridge co.
He was there for eight years.
Ctt south branch chicago river lift bridge cook county illinois built 1899.
The bridge was 115ft long and carried street traffic.
Old ninth street bridge.
