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Byram River Bridge


Photo taken by John Reidy in May 2010


BH Photo #165803


Stone arch bridge over Byram River on US 1 in Port Chester
Greenwich, Westchester County, New York, and Fairfield County, Connecticut
Open to traffic
Built 1888
Stone arch
Length of largest span: 32.8 ft.
Total length: 96.8 ft.
Deck width: 30.2 ft.
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+41.01219, -73.65533   (decimal degrees)
41°00'44" N, 73°39'19" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/613069/4540980 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2009)
Inventory numbers
NY 1000122 (New York State bridge identification number)
BH 27088 (Bridgehunter.com ID)
Inspection report (as of May 2018)
Overall condition: Fair
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 49.5 (out of 100)
View more at BridgeReports.com

Update Log 

  • November 3, 2021: New photo from Geoff Hubbs
  • June 9, 2021: New photo from Geoff Hubbs
  • May 18, 2010: New photos from John Reidy


  • John Reidy
  • Geoff Hubbs


Byram River Bridge
Posted February 24, 2020, by none (none [at] none [dot] com)

This bridge is in a very historical place. It was where Route #1 intersects the Byram River. The intersection was a high traffic area even before the USA was a country. Route #1 used to originally be an Indian footpath before turning into the Boston Post Rd. The river used to be faster and deeper before mills built dams and US Army Corps Engineers built ponds up the the river for flood control. There is a white stone carving/plaque in the middle of the bridge when walking over it. It is etched with words. It would be nice if someone can post of image of it here. I always wondered what was written on it. Adjacent to this intersection/bridge is the Lyon Homestead which is one of the oldest houses in the USA.