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Hartman Road Bridge

   


Hartman Road Bridge

Primary Photographer(s): Nathan Holth

Bridge Documented: Fall/Winter 2006
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Key Facts

Facility Carried / Feature Intersected
Hartman Road (Abandoned Section) Over Saline River
Location
Rural: Washtenaw County, Michigan
Construction Date and Builder / Engineer
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

HistoricBridges.org was directed to this bridge by the Washtenaw County Historic Society. Although the society did not mention anything about it, this bridge appears like it is on private property now, as there is a fence you have to walk around beside an old mill to get to the bridge. In fact, the scene here is a traditional one, with a mill next to the river, and a truss bridge crossing the river. Such a scene would have been commonplace in the late 1800s. Its rare today however to find both bridge and mill still standing.

This bridge is immediately noted as unusual and significant for its unusual bottom chord design. From the hip vertical connection to the end post connection, the bottom chord runs at an angle. This is a very unusual detail, and the bridge stands out as significant on those grounds along. Otherwise, the structure is a good example of a full-slope pony truss with good historic integrity. The only thing missing is the deck. The abutments are an unusual combination of stone and concrete. There are the ruins of a dam under the bridge, likely a part of the mill operation. Original lattice railings remain on the bridge. There is lattice on the verticals, while v-lacing is present under the top chord and end posts.

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Photos and Videos: Hartman Road Bridge

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