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Pont Gilmour

Pont Gilmour

Primary Photographer(s): Nathan Holth and Rick McOmber

Bridge Documented: April 13, 2011

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Facility Carried / Feature Intersected
Montée Gilmore Over Rivièrre Châteauguay
Location
Rural: Montérégie, Québec: Canada
Construction Date and Builder / Engineer
By Builder/Contractor: Unknown
Rehabilitation Date
Not Available or Not Applicable
Main Span Length
Not Available
Structure Length
Not Available
Roadway Width
Not Available
Spans
1 Main Span(s)
Inventory Number
Not Applicable

Historic Significance Rating (HSR)
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Bridge Documentation

This bridge is an eight panel pin connected through truss. It is similar to a nearby bridge except this bridge seems slightly newer since it lacks the cast iron port knee bracing and seems slightly more massive in design, suggesting it might be slightly newer. The two bridges do share a similar pole railing design and the lacing on the top of the top chord and end post is another uncommon aspect that the two bridges share. This bridge has recently been closed to traffic. Hopefully the bridge will be restored.

When it was open to traffic, it was an good example of a bridge serving traffic with very effective headache bars in front of it. Headache bars provide a physical barrier to trucks, preventing them from ignoring weight limit signs, which they sadly often do. Headache bars should be designed to protect the bridge from the trucks as well. They also provide a place to hang clearance signs. When used properly, as they have been at this bridge, they are located a slight distance away from the bridge and are structurally independent. Being structurally independent is essential so that when a truck hits the headache bar, the damage is confined to the bar, and is not transferred to the bridge. In addition, this also allows for photographers who visit the bridge to photograph the bridge without the headache bar being obstructive and getting in the way of the picture. Finally, the headache bar used here is sturdy enough to be effective. A truck that were to hit the bar would certainly know it.

Photo Credit: Hans Goeckner

Above: This is a photo taken in 2004, showing the bridge still open to traffic.

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Maps and Links: Pont Gilmour

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HistoricBridges.org Bridge Browser: View listed bridges within 0.5 miles (0.8 kilometers) of this bridge.

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