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Craig Bridge

Lewis and Clark County, Montana

Photos 

Photo taken by Historic American Engineering Record

View photos at Library of Congress

BH Photo #119655

Map 

Street View 

Description 

Bridge is sitting on the old State Nursery Grounds (right off US 12) awaiting reconstruction. One can see the bridge in its "transition phase" on the street view tool. The status and final plans of the bridge can be seen at the following website: http://bridgeconservancy.org/

Facts 

Overview
A three-span through truss bridge, formerly over the Missouri River at Craig, is now relocated and sitting at the old State Nursery grounds awaiting to be reassembled as a pedestrian bridge for a park.
Location
Helena, Lewis and Clark County, Montana
Status
Awaiting reconstruction at the old State Nursery grounds near Helena
History
Built 1903; replaced and relocated in 2006
Builder
- Elkhart Bridge Co.
Design
Three pin-connected, 7-panel Pratt through trusses
Dimensions
Length of largest span: 134.8 ft.
Total length: 480.0 ft.
Deck width: 15.1 ft.
Vertical clearance above deck: 14.5 ft.
Approximate latitude, longitude
+46.60071, -112.09624   (decimal degrees)
46°36'03" N, 112°05'46" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/416038/5161377 (zone/easting/northing)
Quadrangle map:
Helena
Inventory number
BH 37050 (Bridgehunter.com ID)

Categories 

7-panel truss (467)
Built 1903 (623)
Built during 1900s (7,632)
Elkhart Bridge Co. (4)
HAER documented (1,122)
Have street view (28,893)
Helena, Montana (5)
In storage (212)
Lewis and Clark County, Montana (41)
Montana (843)
 Owned privately (1,927)
Pin-connected (4,688)
Pratt through truss (6,053)
Pratt truss (10,291)
Preserved (1,229)
Relocated (1,035)
Span length 125-175 feet (4,416)
Through truss (16,756)
Total length 250-500 feet (5,506)
Truss (35,429)

Update Log 

  • January 28, 2011: Updated by James McCray: Updated bridge stats to show current location and status.
  • August 3, 2008: Added by James Baughn

Related Bridges 

Sources 

  • HAER MT-112 - Missouri River Bridge, Spanning Missouri River at Bridge Street, Craig, Lewis and Clark County, MT
  • James Baughn - webmaster [at] bridgehunter [dot] com
  • James McCray - jamesinslocomb [at] yahoo [dot] com
  • YouTube - Bridge moving video
  • YouTube - Bridge moving video
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Comments 

Craig Bridge
Posted May 16, 2014, by ArtS (asuckewer [at] knite [dot] com)

Really cool set of images of the spans going down the highway:

http://www.mdt.mt.gov/business/craig_bridge_adoption.shtml