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Bundy Bridge



The Bundy Bridge is the first riveted truss bridge built in Montana. Today it is preserved as a pedestrian bridge next to the new Bundy Bridge about 300 yards north west of Pompey's Pillar National Monument.

Photo taken by James McCray


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BH Photo #113176


Street View 


Warren through truss bridge over Yellowstone River on Bundy Road at Pompey's Pillar National Monument
Pompey's Pillar National Monument, Yellowstone County, Montana
Open to pedestrians
Built 1915
- Security Bridge Co. of Billings, Montana
Warren through truss
Length of largest span: 190.0 ft.
Total length: 650.0 ft.
Deck width: 15.5 ft.
Vertical clearance above deck: 15.2 ft.
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+45.99731, -108.00897   (decimal degrees)
45°59'50" N, 108°00'32" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/731610/5098099 (zone/easting/northing)
Quadrangle map:
Average daily traffic (as of 2009)
Inventory number
BH 36390 (Bridgehunter.com ID)
Inspection report (as of April 2015)
Overall condition: Fair
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Good (7 out of 9)
Sufficiency rating: 97.1 (out of 100)
View more at BridgeReports.com

Update Log 

  • March 12, 2018: New photos from John Bernhisel
  • July 7, 2014: New Street View added by Ralph Demars
  • February 23, 2014: New photo from Jack Schmidt
  • September 13, 2011: Updated by James McCray: incorperated nbi data (2000) into existing bridge info
  • September 27, 2008: New photos from James McCray
  • July 13, 2008: Updated by James McCray: update gps coordinates
  • April 22, 2008: Updated by James McCray
  • March 28, 2008: Updated by James McCray
  • March 22, 2008: Added by James McCray


  • James McCray - jamesinslocomb [at] yahoo [dot] com
  • HAER MT-102 - Bundy Bridge, Spanning Yellowstone River at Bundy Road, Pompeys Pillar vicinity, Yellowstone County, MT
  • Jack Schmidt - jjturtle [at] earthlink [dot] net
  • John Bernhisel - Johnmbernhisel [at] gmail [dot] com


Bundy Bridge in Pompey's Pillar, MT
Posted September 11, 2012, by Angela Fares (Angela [dot] Fares [at] bnsf [dot] com)

Dear Mr. James McCray

I absolutely love your website, but wanted to offer one slight correction in order to give credit where credit is due. Bundy Bridge near Pompey's Pillar, MT was definitely the first Warren through truss bridge to span the Yellowstone River in Montana, however the very first Warren through truss bridge in the great State of Montana was actually constructed in 1895 across the Big Hole River near Glen in Madison County. It was 90 feet long and located on a road that once connected Dillon, a railroad station and county seat of Beaverhead County with the Ruby River valley in southwestern Montana. However, the Bundy Bridge is an exceptionally rare example of a bridge built by a private construction firm without the direct involvement of the Montana Highway Commission which, beginning around 1916 or so, began to adopt the Warren truss through bridge model as a standard for railroads. In mid-1882, the Northern Pacific Railway (one of our predecessor railways) had reached Pompey's Pillar and established a station half of a mile south of the landmark on the Crow Reservation (it was subsequently moved two miles east of Pompey's Pillar in 1905). The "new" bridge in 1915 was an important part of our early history and was the first bridge of its kind to cross the Yellowstone River in Montana, but I'm afraid we must credit the bridge in Madison County with the honor of being the first of its kind in the great State of Montana.

Keep up the great work! I shall bookmark your site with great pleasure and look forward to visiting in the future! Your photographs are quite lovely.

Warmest regards,

Angela Fares

Senior Manager, Records and Information Management

BNSF Railway

Bundy Bridge
Posted January 25, 2011, by Anthony Dillon (spansaver [at] hotmail [dot] com)

Very unique diagonals on this bridge composed of 4 angles laced together to form a box. It appears the Toston Bridge may have them as well.