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Nithvale Bridge

Nith Road Bridge

Nithvale Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 5, 2006

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Facility Carried / Feature Intersected
Nith Road Over Nith River
Ayr: Waterloo Region, Ontario: Canada
Structure Type
Metal 8 Panel Pin-Connected Pratt Through Truss, Fixed and Approach Spans: Metal Deck Girder, Fixed
Construction Date and Builder / Engineer
1883 By Builder/Contractor: Unknown
Rehabilitation Date
Main Span Length
98.4 Feet (30 Meters)
Structure Length
Not Available
Roadway Width
16.4 Feet (5 Meters)
1 Main Span(s) and 1 Approach Span(s)
Inventory Number
Not Applicable

Historic Significance Rating (HSR)
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Bridge Documentation

Located just south of Piper Street in the town of Ayr on what appears to be an abandoned section of Nith Road, this is a rare example of a pin connected through truss in Ontario. This eight panel structure has been closed to vehicular traffic, although you can still walk down from Piper Street to admire it. The south end of this bridge features a single approach span reportedly added in 1914 by the Hamilton Bridge Company. The southern end of the truss bridge sits on steel caissons which appear to be mounted on a concrete pier. The north end simply rests on a concrete abutment. There is no v-lacing, although lattice is present on the portal bracing, which also has an unusual shallow arch to the bottom of it. The date given for the construction of this bridge is 1883. If correct, this is one of the oldest metal truss bridges in Ontario, and should be given a high level of significance.

This bridge is located in a scenic wooden setting. The Nith river cuts a small, steep valley just north of the bridge. This attractive setting would make this bridge a great candidate to restored in its original location for non-motorized traffic. This would give visitors and residents of Ayr alike a pleasant place to walk down and enjoy the river and bridge. It would not take a huge amount of work to get this bridge in shape for pedestrians.

Information and Findings From Waterloo Region Heritage Bridge Inventory

Waterloo Region Assigned Heritage Ratings:

Overall Score: 60. (Heritage Bridge scores range from 50 up to generally 78)

View Heritage Bridge Inventory Data Sheets


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