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3350 Road Bridge

   


3350 Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: June 8, 2016
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Key Facts

Facility Carried / Feature Intersected
3350 Road Over Eagle Creek
Location
Rural: Lincoln County, Oklahoma
Structure Type
Metal 2 Panel Kingpost Pony Truss, 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
Not Available
Spans
1 Main Span(s)
NBI Number
Not Applicable

Historic Significance Rating (HSR)

Bridge Documentation

This is a rare example of a kingpost pony truss bridge. Upon closer inspection, it becomes fairly obvious that this bridge is in fact a bridge that was built using salvaged and reused parts from some other unknown riveted truss bridge. The two endposts meet at the top at a special plate that is welded to the beams to make them fit at this connection point, because the salvaged beams would not have come together at the correct angle by themselves. Near the bearings, empty rivet holes can be seen on the endpost cover plate. These holes would have been for whatever purpose the beams served on the previous bridge. The bottom chord is the same type of beam as the end posts which is in itself unusual and is further evidence that the bridge was built from salvaged materials. The end posts and the bottom chord are much larger than one would expect for such a small bridge as well.

1920 is the given construction date. Assuming this date is more than a "default date" assigned by the county, it probably refers to when the bridge was put together here. The salvaged parts from which the bridge is made from are likely much older.

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