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Cedar Street Bridge

Franklin County, Pennsylvania
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Photos 

Looking east

Feed Mill is behind me

Photo taken by Jodi Christman Sept. 2010

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Map 

Description 

FROM THE 1996-2001 PENNSYLVANIA HISTORIC BRIDGE SURVEY: The one-span, 119'-long, wrought-iron, pin-connected, double-intersection Pratt thru truss bridge has built-up verticals and upper chord, and eye-bar diagonals, counters and lower chord. It is supported on stone abutments. The lattice portals are topped by builder's plaques that read "T. & S. White, Builders, New Brighton, PA." Mounted at the top corners of the inclined end posts are cast-iron shields with the date "1876." The bridge has been altered by replacement floorbeams, stringers, deck, railings, and welded repairs to the end-panel floorbeam hangers, but the trusses themselves are otherwise complete. It one of fewer than 10 identified double-intersection Pratt thru truss highway bridges dating from ca. 1870 to 1900 in the state, and one of no more than four from the 1870s. Builders T. & S. White began building bridges in 1868 and went on to incorporate the Penn Bridge Company in 1879. The bridge is technologically significant as an early, rare, and relatively complete example of the its type and design, fabricated by a noteworthy Pennsylvania builder. It would also contribute to a potential Williamson historic district.

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Facts 

Overview
Through truss bridge over Back Creek on Feed Mill Road
Location
Franklin County, Pennsylvania
History
Built 1876; rehabilitated ca. 1960
Builder
- T. & S. White, Builders of New Brighton, Pennsylvania
Design
Whipple through truss
Dimensions
Length of largest span: 117.1 ft.
Total length: 119.1 ft.
Deck width: 13.8 ft.
Vertical clearance above deck: 20.0 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Feed Mill Bridge
Approximate latitude, longitude
+39.85133, -77.79810   (decimal degrees)
39°51'05" N, 77°47'53" W   (degrees°minutes'seconds")
Approximate UTM coordinates
18/260620/4415003 (zone/easting/northing)
USGS topographic map
Williamson
Inventory numbers
PA 28 7212 0481 4001 (Pennsylvania Bridge Management System number)
PANBI 17726 (Pennsylvania BRKEY bridge number on the 2011 NBI)
BH 30946 (Bridgehunter.com ID)
Inspection (as of 08/2010)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Serious (3 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 21.8 (out of 100)
Average daily traffic (as of 1987)
100

Categories 

19th Century (3,854)
Built 1876 (63)
Built during 1870s (547)
Closed (2,085)
Franklin County, Pennsylvania (107)
NR-eligible (3,751)
One-lane traffic (7,119)
Owned by township (1,820)
Pennsylvania (3,046)
Pin-connected (1,568)
 Span length 100-125 feet (3,307)
Steel grate deck (382)
Structurally deficient (16,730)
T. & S. White, Builders (1)
Through truss (9,256)
Total length 100-125 feet (3,649)
Truss (23,618)
Whipple truss (157)
Wrought iron (230)

Update Log 

  • April 8, 2012: Updated by Jodi Christman: Imported NBI data
  • December 26, 2011: Updated by Jodi Christman: Added builder and description
  • April 9, 2011: New photos from Jodi Christman
  • September 26, 2010: Updated by Anthony Dillon: Adjusted satellite coordinated
  • September 26, 2010: Updated by Jodi Christman: Updated status description
  • September 11, 2010: New photos from Jodi Christman

Related Bridges 

Sources 

  • Panoramio Photo - Photo of the bridge and a railroad truss next to it.
  • Jodi Christman - masterofchaos [at] outlook [dot] com
  • Tony Dillon - spansaver [at] hotmail [dot] com
  • Bridgemapper.com - by Todd Wilson and Lauren Winkler
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Comments 

Feed Mill Road Bridge
Posted January 5, 2011, by dave james (shingles [at] comcast [dot] net)

my cousin bought the feedmill with about 18 acres in 1994 or so(got flooded in 1996....not previously in the 100 year flood plane)I believe the bridge is the end of his property line but not sure. He has rehabbed the feedmill as his primary residence but the 3 story stone mill still needs work.

Feed Mill Road Bridge
Posted September 27, 2010, by Nathan Holth (form3 [at] historicbridges [dot] org)

Thanks :) I may try to integrate this into a winter trip because it looks like it might be easier to photo with leaves off the trees.

Feed Mill Road Bridge
Posted September 25, 2010, by Jodi Christman

Take Williamson Rd. west. Make right on road between Bullitt Rd. and the bridge (on Williamson Road). It looks private, but I don't recall a no trespassing sign. You will see the road for the vehicular bridge on left. Good luck.

Feed Mill Road Bridge
Posted September 12, 2010, by Nathan Holth (form3 [at] historicbridges [dot] org)

I am curious how the access to this bridge is. Can you drive right up to it? Which direction should one approach from? Did you have to deal with any landowners around the bridge?