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EAU Arvada Bridge


View Looking West Toward East Web

Photo taken for the Historic American Engineering Record

View photos at Library of Congress

BH Photo #309507



The Arvada Bridge is a pin connected Parker Through truss and one of only two examples remaining of its type in the State. It is one of the most significant of Wyoming's early bridges.

-- Historic American Engineering Record

The Arvada Bridge is a single span, steel pin connected eight panel Parker Through Truss. The span length is 160 feet with a roadway width at 15 feet, 6 inches. The deck is steel with timber stringers and decking.

The abutments are concrete full retaining. Top chords are two channels with cover plate and lacing; bottom chords are rectangular eyebolts; verticals are two channels with lacing; diagonals are paired eyebolts, angle and round rod sway bracing and angle struts and guardrail. (HAER)


Parker through truss bridge over Powder River
Sheridan County, Wyoming
Replaced by a new bridge
Built 1917, replaced 1990
- Monarch Engineering Co. of Denver, Colorado
8-panel pin connected Parker through truss
Total length: 160.0 ft.
Deck width: 15.6 ft.
Posted to the National Register of Historic Places on February 22, 1985
Approximate latitude, longitude
+44.65066, -106.13080   (decimal degrees)
44°39'02" N, 106°07'51" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/410335/4944766 (zone/easting/northing)
Inventory numbers
NRHP 85000433 (National Register of Historic Places reference number)
BH 64428 (Bridgehunter.com ID)

Update Log 

  • August 31, 2015: Updated by Elliott Johnson: this bridge has been replaced
  • December 6, 2014: Added by Dave King


  • Dave King - DKinghawkfan [at] hotmail [dot] com
  • HAER WY-66 - Arvada Bridge, Spanning Power River on County Road No. 38, Arvada, Sheridan County, WY
  • Elliott Johnson - elliottsgon15 [at] hotmail [dot] com