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Big Thompson Bridge #1

Larimer County, Colorado

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 (574)
Built 1937 (758)
Built during 1930s (11,154)
Colorado (642)
Have street view (25,177)
Larimer County, Colorado (11)
Lost (21,661)
NR-eligible (4,030)
Owned by state (15,018)
Parker pony truss (357)
 Parker truss (1,583)
Pony truss (15,633)
Replaced by new bridge (14,359)
Riveted (2,036)
Skewed (4,804)
Span length 100-125 feet (4,208)
Structurally deficient (16,406)
Total length 100-125 feet (4,955)
Truss (31,037)
US 34 (18)

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

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