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Big Thompson Bridge #3

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Photo 

Overview

Photo provided by Kirsten Armbruster of DMJM Harris

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)
USGS topographic 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