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Ausable Road Bridge

Ausable Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: August 5, 2006

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Facility Carried / Feature Intersected
Ausable Road Over Ausable River
Rural: Middlesex County, Ontario: Canada
Construction Date and Builder / Engineer
By Builder/Contractor: Hamilton Bridge Company of Hamilton, Ontario
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
Not Available
Structure Length
Not Available
Roadway Width
Not Available
1 Main Span(s)
Inventory Number
Not Applicable

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge is a Warren pony truss with riveted connections, and is composed of uncommon lightweight steel members. Less massive steel members were sometimes used on truss bridges when money was a concern, and lighter members would reduce bridge cost at the sacrifice of strength. Despite the fact that this was a budget-bridge when built, it has still stood the test of time, even with a lack of paint on it. The only thing that needs attention is the wooden deck. A sandblasting, a coat of paint and a new wooden deck would restore this bridge and keep it in service for future generations to enjoy. This bridge features latticed outriggers and large lattice railings. These railings do not feature the angle-shaped steel on the lattice that composes many Ontario bridges.

There are builder plaques on this bridge that are unusual because the wording and background on them is ceramic coating over steel plate. A number of bridges in Ontario... not all from the same bridge builder... use this unusual design instead of the most common cast iron plaque. The ceramic design was perhaps less common for a good reason: the plaques on this bridge are in horrible shape and the ceramic is all but eroded off of them. There was still enough left for to assess that this bridge was built by the Hamilton Bridge Company of Hamilton, Ontario in 190-something... the last number is totally gone. There are Jones and Laughlin brands on the steel, and the use of the name "Laughlin" rather than "Laughlins" suggests the steel dates to after 1905. This combined with the remains of the plaque suggest the bridge dates from 1906-1909.


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