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Big Thompson Bridge #1

Map 

Street View 

Facts 

Overview
Pony truss bridge over Big Thompson River on US 34
Location
Larimer County, Colorado
Status
Replaced by a new bridge
History
Built 1937
Design
Riveted, 6-panel Parker pony truss
Dimensions
Length of largest span: 100.0 ft.
Total length: 102.0 ft.
Deck width: 29.8 ft.
Recognition
Eligible for the National Register of Historic Places
Approximate latitude, longitude
+40.38778, -105.46417   (decimal degrees)
40°23'16" N, 105°27'51" W   (degrees°minutes'seconds")
Approximate UTM coordinates
13/460603/4470901 (zone/easting/northing)
Quadrangle map:
Glen Haven
Average daily traffic (as of 2008)
5,500
Inventory numbers
CDOT C-15-I (Colorado Dept. of Transportation structure number)
BH 11926 (Bridgehunter.com ID)
Inspection report (as of September 2009)
Overall condition: Poor
Superstructure condition rating: Poor (4 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Deck condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 33.5 (out of 100)
View more at BridgeReports.com

Categories 

6-panel truss (654)
Built 1937 (810)
Built during 1930s (11,779)
Colorado (698)
Have street view (27,087)
Larimer County, Colorado (12)
Lost (25,090)
NR-eligible (4,057)
Owned by state (16,076)
Parker pony truss (383)
Parker truss (1,684)
Pony truss (16,266)
Replaced by new bridge (16,872)
Riveted (2,189)
Skewed (4,917)
Span length 100-125 feet (4,411)
Structurally deficient (14,089)
Total length 100-125 feet (5,192)
Truss (33,031)
US 34 (19)

Update Log 

  • September 19, 2013: Updated by Luke Harden: Replaced
  • April 25, 2010: New Street View added by J.P.

Sources 

  • J.P. - wildcatjon2000 [at] gmail [dot] com
  • Luke