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7th Line Bridge

Bridge No. A4

7th Line Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: September 26, 2015

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Key Facts

Facility Carried / Feature Intersected
7th Line Over Willow Brook
Location
Amaranth Township: Dufferin County, Ontario: Canada
Structure Type
Concrete Through Girder, Fixed
Construction Date and Builder / Engineer
1920 By Builder/Contractor: Unknown

Technical Facts

Rehabilitation Date
Not Available or Not Applicable
Main Span Length
Not Available
Structure Length
Not Available
Roadway Width
16.1 Feet (4.91 Meters)
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

View Heritage Bridge Inventory Sheet For This Bridge

The date given for this bridge is a circa date.

Compared to the rest of Ontario, this area (Wellington County / Centre-Wellington Township, Dufferin County / Amaranth Township), apparently constructed an unusually large number of old concrete bridges. As of 2015, the area still retained a population density of both concrete bowstring arch bridges and concrete through girder bridges that was much higher than the rest of Ontario. These bridges are being replaced as time goes by however.

This bridge is a representative example of the concrete through girder bridges that were built in this area. This simple, utilitarian-looking bridge type never gained popularity in bridge construction, but was built in the United States and Canada mostly in the 1910s and 1920s. Compared to the girder bridges found in Centre-Wellington Township, this one and others in Amaranth Township are more massive in design, and feature a visual appearance that is slightly different. They are visually similar to concrete girder bridges built in the neighboring state of Michigan.

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