| Stone Sign Post Road Bridge over Plum Brook | |
| Coordinates: | 40.4905°N -74.9387°W |
| Builder: | John W. Scott |
| Added: | October 4, 2016 |
| Refnum: | 16000692 |
| Designated Other1 Name: | New Jersey Register of Historic Places |
| Designated Other1 Abbr: | NJRHP |
| Designated Other1 Link: | New Jersey Register of Historic Places |
| Designated Other1 Date: | August 3, 2016 |
| Designated Other1 Number: | 3760[1] |
| Designated Other1 Num Position: | bottom |
| Designated Other1 Color: |
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The Stone Sign Post Road Bridge over Plum Brook is a historic Warren truss bridge located in Delaware Township in Hunterdon County, New Jersey, United States.[2] Built in 1903 by John W. Scott of Flemington, it was added to the National Register of Historic Places on October 4, 2016, for its significance in engineering.[3] It was listed as part of the Historic Bridges of Delaware Township, Hunterdon County, New Jersey Multiple Property Submission (MPS).[4]
The long single-span bridge crosses Plum Brook, a tributary of the Wickecheoke Creek, which flows into the Delaware River at Prallsville. According to the nomination form, it is a distinct modification of a traditional Warren truss bridge. Scott also built the nearby Peck's Ferry Bridge, which also crosses Plum Brook.[3]