3 votes

Layton Bridge


Photo taken by Greg Hall


BH Photo #148788



Through truss bridge over Youghiogheny River on PA 4038
Fayette County, Pennsylvania
Open to traffic
Built 1892; railroad abandoned in 1931; rehabilitated 1984
- A & P Roberts Co. of Pencoyd, Pennsylvania
- Pencoyd Iron Works of Pencoyd, Pennsylvania
- Washington Run Railroad (WRN)
Pratt through truss
Length of largest span: 181.1 ft.
Total length: 911.1 ft.
Deck width: 13.1 ft.
Vertical clearance above deck: 17.5 ft.
Posted to the National Register of Historic Places on June 22, 1988
Approximate latitude, longitude
+40.08889, -79.73056   (decimal degrees)
40°05'20" N, 79°43'50" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/608220/4438395 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2018)
Inventory numbers
PA 26 4038 0110 0000 (Pennsylvania Bridge Management System number)
PANBI 17042 (Pennsylvania BRKEY bridge number on the 2011 NBI)
NRHP 88000840 (National Register of Historic Places reference number)
BH 30919 (Bridgehunter.com ID)
Inspection report (as of June 2018)
Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Serious (3 out of 9)
Sufficiency rating: 25.3 (out of 100)
View more at BridgeReports.com

Update Log 

  • October 7, 2020: New photos from Patrick Gurwell
  • October 23, 2016: New photos from Ben Tate
  • August 25, 2016: Updated by Christopher Finigan: Added categories "7-panel truss", "6-panel truss", "Pin-connected"
  • March 4, 2014: Updated by Dave King: Added NRHP info & imported photos
  • October 25, 2013: New photo from Luke Harden
  • September 29, 2013: Updated by Luke Harden: Added builder

Related Bridges 

  • Layton Tunnel (Same project) - Adjacent to one another on same road (former RR)


  • Historicbridges.org - by Nathan Holth
  • Greg Hall - cyclebay [at] aol [dot] com
  • Wikipedia
  • Todd Wilson
  • Luke
  • Dave King - DKinghawkfan [at] hotmail [dot] com
  • Ben Tate - benji5221 [at] yahoo [dot] com
  • Patrick Gurwell - pgurwell [at] gmail [dot] com


Layton Bridge
Posted May 7, 2009, by Anonymous

So you come straight out of a tunnel onto this bridge? Looks cool.

Layton Bridge
Posted May 6, 2009, by spansavere@hotmail.com (spansaver [at] hotmail [dot] com)

A unique bridge with the floor beams mounted higher on the verticals causing the deck to be about in the middle.

Layton Bridge
Posted May 6, 2009, by Dan (postello [at] msu [dot] edu)

I believe this was built in 1899, for the Washington Run Railroad, along with a tunnel and a railroad line to Star Junction, Pennsylvania.

Layton Bridge
Posted August 20, 2008, by Jay Nicks (jnicks11 [at] juno [dot] com)

What kind of a truss is this?