Rating:
2 votes

North Fork Crazy Woman Creek Bridge

Photos 

Along Middle Fork Road Toward North Fork Of The Crazy Woman Creek Bridge, View To West

Photo taken by Richard Collier for the Historic American Engineering Record

View photos at Library of Congress

BH Photo #240166

Map 

Description 

This is the oldest datable vehicular truss bridge in use in the county road system in Wyoming. It displays an interesting variation of the classic Double Intersection Warren pony truss configuration using vertical posts at alternating panel points, making it one of the most significant truss bridges in Wyoming. It retains its essential character-defining features and is also an uncommon example nationally.

-- Historic American Engineering Record

Facts 

Overview
Lost Pony truss bridge over North Fork Crazy Woman Creek on CN16-265
Location
Johnson County, Wyoming
Status
Replaced by a new bridge
History
Built 1880; Relocated 1964; rehabilitated 1986; replaced 2006
Builder
- Detroit Bridge & Iron Co.
Design
Double-intersection Warren pony truss
Dimensions
Length of largest span: 48.9 ft.
Total length: 49.9 ft.
Deck width: 15.1 ft.
Approximate latitude, longitude
+44.08500, -106.67167   (decimal degrees)
44°05'06" N, 106°40'18" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/366166/4882672 (zone/easting/northing)
Quadrangle map:
Purdy Reservoir
Inventory numbers
WY FHP (Wyoming bridge identifier)
BH 35778 (Bridgehunter.com ID)
Inspection (as of 05/2005)
Deck condition rating: Good (7 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 29.7 (out of 100)
Average daily traffic (as of 2004)
10

Update Log 

  • November 14, 2017: Updated by Dave King: Bridge has been replaced
  • August 12, 2013: Updated by Luke Harden: Added category "Detroit Bridge & Iron Co."
  • September 26, 2012: Updated by James McCray: Updated various aspects of bridge info to reflect HABS info

Sources 

  • HAER WY-93 - North Fork of Crazy Woman Creek Bridge, Spanning North Fork of Crazy Woman Creek at Middle Fork Road, Buffalo, Johnson County, WY
  • James McCray - jamesinslocomb [at] yahoo [dot] com
  • Dave King - DKinghawkfan [at] hotmail [dot] com