Wilson River Bridge

Photos 

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Wilson River Bridge from the southwest Photo taken by Michael Goff on August 1, 2009 View high-res version

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Wilson River Bridge from the west Photo taken by Michael Goff on August 1, 2009 View high-res version

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South Approach Photo taken by Michael Goff on August 1, 2009 View high-res version

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Rail Detail Photo taken by Michael Goff on August 1, 2009 View high-res version

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Information Plaque Photo taken by Michael Goff on August 1, 2009 View high-res version

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Lateral Bracing Photo taken by Michael Goff on August 1, 2009 View high-res version

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South Portal The top lateral brace has been modified from the original for trucks Photo taken by Michael Goff on August 1, 2009 View high-res version

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Wilson River Bridge Photo taken by Michael Goff on August 1, 2009 View high-res version

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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South Portal, Looking North Photo taken by Historic American Engineering Record View photos at Library of Congress

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Bridge Plate, Southeast Abutment Photo taken by Historic American Engineering Record View photos at Library of Congress

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Perspective View Below Deck Photo taken by Historic American Engineering Record View photos at Library of Congress

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North Portal, Looking South Photo taken by Historic American Engineering Record View photos at Library of Congress

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Elevation From East Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

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Photo taken by Historic American Engineering Record View photos at Library of Congress

Map 

Street Views 

Facts 

Overview

Reinforced concrete tied arch bridge over Wilson River on US 101

Location

Tillamook County, Oregon

Status

Open to traffic

History

Built 1931

Builders

- Clackamas Construction Co. (Contractor)
- Conde B. McCullough (Bridge Engineer)

Design

The Wilson River Bridge was first reinforced concrete tied arch bridge in the Pacific Northwest.

Dimensions

Length of largest span: 120.0 ft.
Total length: 180.1 ft.
Deck width: 27.0 ft.
Vertical clearance above deck: 12.25 ft.

Approximate latitude, longitude

+45.47825, -123.84451   (decimal degrees)
45°28'42" N, 123°50'40" W   (degrees°minutes'seconds")

Approximate UTM coordinates

10/433995/5036426 (zone/easting/northing)

USGS topographic map

Tillamook

Inventory number

BH 30138 (Bridgehunter.com ID)

Inspection (as of 05/2008)

Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Fair (5 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Appraisal: Functionally obsolete
Sufficiency rating: 41.3 (out of 100)

Average daily traffic (as of 2007)

12,827

Categories 

Update Log 

• April 27, 2010: New Street View added by Michael Goff
• August 6, 2009: New photos from Michael Goff
• April 20, 2009: Posted HAER photos
• July 30, 2008: Updated by Michael Goff

Sources 

• Michael Goff - michael [dot] goff [at] odot [dot] state [dot] or [dot] us
• Wilson River Bridge HAER Webpage
• HAER OR-39 - Wilson River Bridge, Spans Wilson River at U.S. Highway 101, Tillamook, Tillamook County, OR

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