Rating:
5 votes

Big Creek Road Bridge

Photos 

Heading South from Bertram

This Pratt truss seemed to have a recent coat of paint when I visited it in January 2009.

Photo taken by Quinn Phelan in January 2009

Enlarge

BH Photo #132746

Map 

Facts 

Overview
Pratt through truss bridge over Big Creek on Big Creek Road in Bertram
Location
Linn County, Iowa
Status
Open to traffic
History
Built ca. 1891, rehabilitated in 1929
Builder
- J.E. Jayne & Son Bridge Co. of Iowa City, Iowa (Possible fabricator)
Design
Pin-connected, 6-panel Pratt through truss
Dimensions
Length of largest span: 100.1 ft.
Total length: 118.1 ft.
Deck width: 15.4 ft.
Vertical clearance above deck: 13.0 ft.
Approximate latitude, longitude
+41.95612, -91.52677   (decimal degrees)
41°57'22" N, 91°31'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/622094/4645953 (zone/easting/northing)
Quadrangle map:
Bertram
Inventory numbers
IA 220880 (Iowa bridge number)
BH 13829 (Bridgehunter.com ID)
Inspection (as of 03/2014)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 20.3 (out of 100)
Average daily traffic (as of 2013)
140

Update Log 

  • May 12, 2013: New photos from Dave King
  • January 31, 2009: New photos from Quinn Phelan

Sources