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Renwick Road Bridge

Spring Banks Road Bridge

Renwick Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 12, 2006

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Key Facts

Facility Carried / Feature Intersected
Renwick Road Over Du Page River
Plainfield: Will County, Illinois: United States
Construction Date and Builder / Engineer
By Builder/Contractor: Wrought Iron Bridge Company of Canton, Ohio

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
151 Feet (46 Meters)
Structure Length
156 Feet (47.5 Meters)
Roadway Width
12 Feet (3.66 Meters)
1 Main Span(s)
NBI Number

Historic Significance Rating (HSR)
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Bridge Documentation

View Archived National Bridge Inventory Report - Has Additional Details and Evaluation

View Historic American Engineering Record (HAER) Documentation For This Bridge

HAER Data Pages, PDF

This classic bridge seems out of place in Will County, which along with Cook County is an area known for truss bridges with massive-members and mostly built in the 20th Century, and mostly movable bridges. Finding a classic pin connected Pratt through truss constructed by the Wrought Iron Bridge Company of Canton, Ohio is the last thing you might expect. Yet here it sits, open to traffic in an area that is really not that far from a commercialized suburban area. As such, it is particularly rare and significant in a local context.

This bridge has an original builder plaque on it, and while it looks nice and allows visitors to identify who built the bridge, like a number of the Wrought Iron Bridge Company plaques, it falls short of providing one of the most valuable pieces of information - a construction date! The Historic American Engineering Record (HAER) simply remarks that the accepted date is 1912, but that statement only calls the competency of the historian who compiled the HAER report into question. It is common knowledge among bridge historians that Wrought Iron Bridge Company was absorbed into the American Bridge Company in 1900 bringing an end to the company name.

The bridge is traditionally designed, and features v-lacing on the verticals and under the top chord / end posts. The portal bracing is a lattice design. The bridge is seated on stone abutments. There are nine panels composing the structure.

This bridge is to be replaced with a new bridge on different alignment, but reportedly will be preserved in place for pedestrian use, which is a good outcome that will save this historic bridge and keep it around for many decades to come.


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