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Big Thompson Bridge #3

Photo 

Overview

Photo provided by Kirsten Armbruster of DMJM Harris

BH Photo #101583

Map 

Facts 

Overview
Lost pony truss bridge over Big Thompson River on US 34
Location
Larimer County, Colorado
Status
Replaced by modern bridge
History
Built 1933
Design
Riveted, 6-panel Parker pony truss
Dimensions
Length of largest span: 100.0 ft.
Total length: 133.8 ft.
Deck width: 29.8 ft.
Approximate latitude, longitude
+40.41873, -105.18029   (decimal degrees)
40°25'07" N, 105°10'49" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/484705/4474248 (zone/easting/northing)
Quadrangle map:
Masonville
Inventory numbers
CDOT C-16-AA (Colorado Dept. of Transportation structure number)
CDOT C-16-Z (Colorado Dept. of Transportation structure number)
BH 11928 (Bridgehunter.com ID)
Inspection (as of 08/1990)
Deck condition rating: Satisfactory (6 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 58.0 (out of 100)
Average daily traffic (as of 1988)
7,700

Update Log 

  • June 18, 2005: Posted photo from Kirsten Armbruster