Bridgehunter.com | Jacob Conser Bridge

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Jacob Conser Bridge

Photo taken by Michael Goff on July 22, 2010

Overview: Rainbow arch bridge over Santiam River on HWY 164
Location: Jefferson, Marion County, Oregon, and Linn County, Oregon
Status: Open to traffic
History: Built 1933
Builders: - Clackamas Construction Co. (Contractor)
- Conde B. McCullough of Redfield, North Dakota (Bridge Engineer)
Design: Concrete through arch
Dimensions: Length of largest span: 200.0 ft.
Total length: 801.9 ft.
Deck width: 24.0 ft.
Vertical clearance above deck: 20.5 ft.
Also called: Santiam River Bridge
Approximate latitude, longitude: +44.71492, -123.01398 (decimal degrees)
44°42'54" N, 123°00'50" W (degrees°minutes'seconds")
Approximate UTM coordinates: 10/498893/4951282 (zone/easting/northing)
USGS topographic map: Albany
Inventory numbers: OR 01582 (Oregon Dept. of Transportation structure number)
BH 30100 (Bridgehunter.com ID)
Inspection (as of 07/2011): Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 45.8 (out of 100)
Average daily traffic (as of 2010): 6,900

Mike Goff - michael [dot] goff [at] hotmail [dot] com
Historic Highway Bridges of Oregon - Dwight A. Smith, James B. Norman & Pieter T. Dykman, Oregon Historical Society Press, 1989
HAER OR-42 - Santiam River Bridge, Spans Santiam River at State Route 164, Jefferson, Marion County, OR
Nathan Holth
Elegant Arches, Soaring Spans - Robert W. Hadlow, Oregon State University Press, 2001