Rating:
2 votes

Carpenter's Ford Bridge

Photos 

Overview

Photo taken Nov. 2006 by Kevin M. Byrne

BH Photo #108973

Facts 

Overview
Pratt through truss bridge over Middle River on Craig Shop Road (Route 775)
Location
Augusta County, Virginia
Status
Intact but closed to all traffic, future prospects unknown
History
Built 1903-04 by the Brackett Bridge Co.
Builder
- Brackett Bridge Co. of Cincinnati, Ohio
Design
Pin-connected, 7-panel Pratt through truss
Dimensions
Span length: 142.1 ft.
Total length: 142.1 ft.
Deck width: 11.2 ft.
Vertical clearance above deck: 16.8 ft.
Recognition
Eligible for the National Register of Historic Places
Also called
Middle River Route 775 Bridge
Craig Shop Road Bridge
Approximate latitude, longitude
+38.24111, -78.88087   (decimal degrees)
38°14'28" N, 78°52'51" W   (degrees°minutes'seconds")
Approximate UTM coordinates
17/685453/4234690 (zone/easting/northing)
Quadrangle map:
Fort Defiance
Inventory numbers
VA 6147 (Virginia bridge number)
BH 33589 (Bridgehunter.com ID)

Update Log 

  • November 7, 2022: New photos from Dylan Clarke
  • June 28, 2010: Updated by C Hanchey: Bridge is known as the Carpenter’s Ford Bridge and was built by the Brackett Bridge Co.
  • April 21, 2009: Updated by Anthony Dillon
  • December 4, 2006: Posted photos from Kevin M. Byrne

Sources 

  • Kevin M. Byrne - dcfireman [at] comcast [dot] net
  • Tony Dillon - spansaver [at] hotmail [dot] com
  • C Hanchey - cmh2315fl [at] yahoo [dot] com
  • HAER VA-99 - Carpenter's Ford Bridge, State Route 775, over Middle River, Mount Meridian vicinity, Augusta, VA
  • Dylan Clarke

Comments 

Carpenter's Ford Bridge
Posted November 10, 2022, by Dylan Clarke (bebodc05 [at] icloud [dot] com)

Absolutely, Clark! Thank you for the explanation.

Carpenter's Ford Bridge
Posted November 9, 2022, by Clark Vance (cvance [at] dogmail [dot] com)

Dylan, that's a broad topic but to start off, this is a "pin connected" bridge. Members are almost all held together by large pins which allow joints to flex freely. This removes most of the bending load on members, most of which are in tension only. Calculation of forces is much simpler. Later bridges used rigid connections where all the members were joined by being riveted to a "gusset" plate. This made a connection that flexed much less, placing a bending load on the various members, requiring them to be able to resist more than just tension. Enough?

Carpenter's Ford Bridge
Posted November 7, 2022, by Dylan Clarke (bebodc05 [at] icloud [dot] com)

I'm trying to learn a little more about the various nuts and bolts of bridges like these. Would someone be willing to explain what's going in some of the joints like these. Thanks!

Carpenter's Ford Bridge
Posted November 7, 2020, by CARL W HOFFMAN (cwh6611 [at] gmail [dot] com)

This bridge is currently impassable, with VDOT closure signs blocking access. It is not readily apparent what the issue might be. That said, there is evidence that traffic of some sort has been circumventing the barricades - possibly farm equipment or 4-wheelers?