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Tremaine Bridge

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Photos 

Photo taken by Jason Smith

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Map 

Facts 

Overview
Through truss bridge over Boone River on 280th Street
Location
Hamilton County, Iowa
Status
Open to one lane traffic with a weight limit
History
Built 1902; rehabilitated 1940
Builder
- N.M. Stark & Co. of Des Moines, Iowa
Design
Pin-connected camelback through truss
Dimensions
Length of largest span: 160.1 ft.
Total length: 186.0 ft.
Deck width: 14.4 ft.
Vertical clearance above deck: 14.6 ft.
Recognition
Posted to the National Register of Historic Places on May 15, 1998
Also called
Bever Bridge
Bone's Mill Bridge
Approximate latitude, longitude
+42.38647, -93.80926   (decimal degrees)
42°23'11" N, 93°48'33" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/433386/4693004 (zone/easting/northing)
Quadrangle map:
Webster City
Land survey
T. 88 N., R. 25 W., Sec. 31
Inventory numbers
IA 171920 (Iowa bridge number)
NRHP 98000519 (National Register of Historic Places reference number)
BH 13563 (Bridgehunter.com ID)
Inspection (as of 08/2015)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Serious (3 out of 9)
Sufficiency rating: 22.6 (out of 100)
Average daily traffic (as of 2015)
60

Update Log 

  • June 2, 2015: New photos from Kevin Skow
  • September 7, 2011: New photos from Jason Smith
  • July 26, 2011: New photo from Luke Harden
  • April 5, 2011: Updated by Frank Hicks: Changed name, added NRHP info

Sources 

  • Frank Hicks
  • Historicbridges.org - Photos and historical information - by Nathan Holth
  • Luke
  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com
  • Jack Schmidt - jjturtle [at] earthlink [dot] net
  • Kevin Skow - weatherbum [at] hotmail [dot] com