Rating:
1 vote

Twin Bridges Road Bridge

Photos 

Overview

Photo taken by James McCray

Enlarge

BH Photo #113468

Map 

Facts 

Overview
Through truss bridge over Yellowstone River on Frontage Road 115
Location
Stillwater County, Montana
Status
Demolished in 2021.
History
Built 1931
Design
Riveted Pratt through truss
Dimensions
Length of largest span: 160.1 ft.
Total length: 569.9 ft.
Deck width: 20.0 ft.
Vertical clearance above deck: 15.2 ft.
Also called
Yellowstone River Bridge
Approximate latitude, longitude
+45.68665, -109.43839   (decimal degrees)
45°41'12" N, 109°26'18" W   (degrees°minutes'seconds")
Approximate UTM coordinates
12/621599/5060419 (zone/easting/northing)
Quadrangle map:
Springtime
Average daily traffic (as of 2004)
100
Inventory number
BH 23184 (Bridgehunter.com ID)
Inspection report (as of June 2018)
Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Poor (4 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 37.4 (out of 100)
View more at BridgeReports.com

Update Log 

  • June 1, 2021: Updated by Nathan Holth: Demolished.
  • January 27, 2021: Updated by Nathan Holth: Closed to traffic, likely doomed.
  • August 2, 2018: New photos from John Bernhisel
  • March 30, 2008: New photos from James McCray

Sources 

  • James McCray - jamesinslocomb [at] yahoo [dot] com
  • Luke
  • Jack Schmidt - jjturtle [at] earthlink [dot] net
  • John Bernhisel - Johnmbernhisel [at] gmail [dot] com
  • Nathan Holth

Comments 

Twin Bridges Road Bridge
Posted July 2, 2021, by Dan Pagliaro (daniel [dot] pagliaro [at] gmail [dot] com)

As of July 2, 2021, the Twin Bridges Road demolition is substantially complete. Crews removed Pier 3 (the last remnant of the bridge) during the last week of June, and it appears that MDT deactivated their webcam at the construction site on June 28th. There will be some cleanup and site restoration work that will continue through the summer.

Twin Bridges Road Bridge
Posted June 18, 2021, by Dan Pagliaro (daniel [dot] pagliaro [at] gmail [dot] com)

As of this morning (June 18, 2021) the only remnant of the Twin Bridges Road bridge that is still standing is Pier 3. Crews have completed removal of the north abutment (Abutment 6) and have restored the north river bank to its natural state. They are now removing the remaining debris from the south abutment (Abutment 1) and Pier 2 and restoring the south river bank to its natural state. The temporary work trestle across the river has been removed.

During demolition, the construction crew erected a work trestle across the Yellowstone River parallel to the Twin Bridges Road Bridge. They then shored up the failing Pier 4 with sheet piling and installed falsework under the truss spans in preparation for removal. Each of the three truss spans were cut in half. Each half was hoisted by cranes and lowered to the south river bank where they were cut up and hauled away for recycling. The pre-fabricated house that was previously located on the north side of the river was disassembled into sections and hauled away on trucks, using the work trestle to cross the river. An adjacent barn was demolished, and power lines that previously crossed the river next to the Twin Bridges Road bridge were removed.

Twin Bridges Road Bridge
Posted June 1, 2021, by Dan Pagliaro (daniel [dot] pagliaro [at] gmail [dot] com)

As of June 1, 2021, the Twin Bridges Road bridge has been demolished out of concern that the bridge could collapse if left in place. A December 2020 inspection revealed that scour had compromised the structural integrity of Pier 4 (located in the main river channel). The Montana Department of Transportation (MDT) awarded an emergency demolition contract on March 11, 2021. By the end of April, the three truss spans and the failing Pier 4 had been removed. As of June 1, 2021 all that remains of the Twin Bridges road bridge is the southern abutment (Abutment 1) and a short span between Abutment 1 and Pier 2, as well as Pier 3. The family that lived on the north side of the river had been relocated prior to the demolition, and the home was also demolished as part of this contract.

MDT has a live camera feed for the Twin Bridges Road demolition at: http://www.montanadotwebcams.com/silver.htm

Twin Bridges Road Bridge
Posted January 27, 2021, by James McCray (jamesinslocomb [at] yahoo [dot] com)

I have been to this bridge. This bridge is at the butt end of a dead end road. At the eastern end of the bridge is a gated private ranch property for one household. That being said, it would be a huge waste of state or whatever tax payer money to demolish and build a new bridge just for one household at the end of a dead end road. Perhaps shore up the support column. Heck, maybe turn over ownership of the bridge to the rancher. Why would the state want to spend money maintaining or rebuilding a bridge that has no other traffic except the one person or family living at the other end? Just throwing out questions here.

Twin Bridges Road Bridge
Posted January 27, 2021, by James McCray (jamesinslocomb [at] yahoo [dot] com )

Maybe Montana can save the trusses like they did with an identical type bridge.

See: http://bridgehunter.com/mt/lewis-and-clark/craig/

Then again, maybe not and its wishful thinking on my part.

Twin Bridges Road Bridge
Posted January 27, 2021, by James McCray (jamesinslocomb [at] yahoo [dot] com )

Maybe Montana can save the trusses like they did with an identical type bridge.

See: http://bridgehunter.com/mt/lewis-and-clark/craig/

Then again, maybe not and its wishful thinking on my part.

Twin Bridges Road Bridge
Posted January 27, 2021, by Luke

Gee, wonder if preventative maintenance would've solved those substructure problems before they got that bad.

Twin Bridges Road Bridge
Posted January 27, 2021, by Nathan Holth (webmaster [at] historicbridges [dot] org)

This bridge doesn't look to have a bright future.

https://billingsgazette.com/news/local/photos-crumbling-brid...

Yellowstone River Bridge
Posted December 25, 2015, by Dave (potiukd [at] gmail [dot] com)

Is this bridge on an old alignment of US 10?

Yellowstone River Bridge
Posted January 6, 2014, by Jack Schmidt (jjturtle [at] earthlink [dot] net)

Here are some additional photos of these two bridges taken 7-3-14 on twin bridges road. GPS on vehicular bridge N45 41.193 W109 26.301 / GPS on railroad bridge N45 41.209 W109 26.329

Webmaster's note: The photos that were here have been incorporated into the main site.