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Red Mill Bridge


Red Mill Bridge

Photo taken by David Case in September 2017


BH Photo #403217


Replaced a bridge lost to a flood in August of 1888.


Pratt through truss bridge over North Branch Blacklick Creek on TR 459
Cambria County, Pennsylvania
Closed to all traffic.
Future prospects
Closed with no immediate repair or replacement plans. Future uncertain.
Built 1888 by the Variety Iron Works
- Variety Iron Works of Cleveland, Ohio
6-panel, pinned Pratt through truss
Span length: 89.9 ft.
Total length: 89.9 ft.
Deck width: 14.4 ft.
Eligible for the National Register of Historic Places
Also called
Duncan's Red Mill Bridge
Approximate latitude, longitude
+40.51578, -78.90316   (decimal degrees)
40°30'57" N, 78°54'11" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/677637/4487118 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2017)
Inventory numbers
PA 11 7204 0459 3001 (Pennsylvania Bridge Management System number)
PANBI 08736 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30607 (Bridgehunter.com ID)
Inspection report (as of April 2017)
Overall condition: Fair
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 15.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • September 19, 2017: Updated by Christopher Finigan: Added category "Pin-connected"
  • September 19, 2017: New photos from David Case
  • March 9, 2010: Updated by Nathan Holth: Updated Status: Bridge is closed to all traffic.



Red Mill Bridge
Posted February 20, 2022, by Linda alexander (grizzlycouple [at] comcast [dot] net)

Could you send me all info you have on this bridge trying to find out the history

Red Mill Bridge
Posted September 2, 2021, by Nathan Holth (webmaster [at] historicbridges [dot] org)

I received the attached photos from the Section 106 team showing flooding at this bridge. This is of concern because the bridge is sitting on stone abutments that are failing. It is also of concern because despite being under Section 106 Review there is a unusually extensive multi-faceted effort to try to actually see this bridge preserved through the Section 106 process, and it has the support of local residents, something which isn't always present. So I am hoping this bridge is OK.