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Astoria-Megler Bridge

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Astoria-Megler Bridge

from the western Astoria waterfront

Photo taken by Michael Goff on August 1, 2009

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Facts 

Overview
Continuous rigid-cantilever Warren through truss bridge over Columbia River on US 101 in Astoria
Location
Astoria, Clatsop County, Oregon, and Pacific County, Washington
Status
Open to traffic
History
Built 1966
Builders
- American Bridge Co. of New York (Steel Fabricator)
- Ben C. Gerwick Co. (Contractor - Desdemona Sands Viaduct Portion)
- DeLong Corporation (Prime Contractor)
- George Stevens (Bridge Engineer - Washington)
- Ivan D. Merchant (Bridge Engineer - Oregon)
- J.H. Pomeroy of San Francisco, California (Contractor - Desdemona Sands Viaduct Portion)
- Raymond International (Contractor)
- William A. Bugee (Project Engineer - Washington)
Design
Continuous fixed-cantilever Warren through truss
Dimensions
Length of largest span: 1,232.0 ft.
Total length: 21,677.0 ft. (4.1 mi.)
Deck width: 27.9 ft.
Vertical clearance above deck: 17.2 ft.
Approximate latitude, longitude
+46.19045, -123.84937   (decimal degrees)
46°11'26" N, 123°50'58" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/434457/5115558 (zone/easting/northing)
Quadrangle map:
Astoria
Elevation
0.0 ft. above sea level
Inventory numbers
OR 07949C (Oregon Dept. of Transportation structure number)
BH 29906 (Bridgehunter.com ID)
Inspection (as of 10/2011)
Deck condition rating: Fair (5 out of 9)
Superstructure condition rating: Satisfactory (6 out of 9)
Substructure condition rating: Satisfactory (6 out of 9)
Sufficiency rating: 71.0 (out of 100)
Average daily traffic (as of 2010)
23,300

Update Log 

  • December 9, 2013: New photo from Mike Goff
  • May 30, 2013: New photos from M. D. Caillet
  • March 3, 2012: Updated by Nathan Holth: This is a cantilever not a basic continuous!
  • January 18, 2012: New photo from Kelly Smith
  • September 27, 2010: New photo from Nathan Holth
  • August 13, 2010: New photos from Nathan Holth
  • April 25, 2010: New Street View added by Nathan Holth
  • August 10, 2009: New photo from Michael Goff
  • August 5, 2009: New photos from Michael Goff
  • April 20, 2009: Posted HAER photos
  • November 5, 2008: Updated by Michael Goff
  • September 30, 2008: Updated by Michael Goff
  • September 29, 2008: Updated name and builders
  • June 25, 2008: New photo from Michael Goff

Related Bridges 

Sources 

Comments 

Astoria-Megler Bridge
Posted March 4, 2012, by Dan Crawford

Awesome bridge! I'm adding this one to my list of must-sees.

Astoria-Megler Bridge
Posted August 13, 2010, by Nathan Holth (form3 [at] historicbridges [dot] org)

The Megler Spans of this bridge appear to be undergoing repairs and repainting. I added a few photos I found from Oregon DOT.

Astoria-Megler Bridge
Posted January 26, 2010, by Chalon Harper (camowolf95 [at] live [dot] com)

This bridge is so stunning it takes my breath away. It seems like it just drops right off into the water. Awesome.

Astoria-Megler Bridge
Posted August 10, 2009, by Todd D. Walker (mrwalk08 [at] aol [dot] com)

J.R., Traveling down Oh 7, yes, would be a good idea. There are some historic spans. I did follow the Pomeroy bridge replacement. I agree, I missed getting the chance to visit the old truss there. I been across numerous historic bridges in the Ohio River region of my state. Many of those have been replaced. Here is some I recall:

The bridge over the Big Sandy river at Ceredo-Kenova, West Virginia was once a five span truss. Today it is a steel beam structure.

I passed under a still present monster of a railroad bridge not far from the Big Sandy.

Near West Virginia's Camden Park was a Parker truss over a creek.

Huntington W Va. has a modern continuous truss where an old cantileverer truss once stood.

Besides the mentioned bridges above there are or were many simple truss bridges in the area I crossed as a boy.

One more little tidbit. I hope the Ironton-Russell cantilever is preserved instead being blown up like the Pomeroy span. That is the bridge I see when I see my Grandmother Walker and my aunt Pam and uncle Ron.

Over all the bridges I admire and read about or cross, one has my heart..... Michigan's BIG MAC!!!

Astoria-Megler Bridge
Posted August 10, 2009, by J.R. Manning (thekitchenguy [at] sbcglobal [dot] net)

Todd, you need to go over to East Liverpool and follow Ohio 7 along the Ohio. While those bridges might not be as spectacular as the bridges in the Pacific Northwest, there are some amazing bridges over the Ohio River.

In fact, you might want to cross some of them before they're gone forever - you already missed the Pomeroy-Mason Bridge that went down last April.

Astoria-Megler Bridge
Posted August 10, 2009, by Anthony Dillon (spansaver [at] hotmail [dot] com)

An absolutely stunning structure!

Astoria-Megler Bridge
Posted August 10, 2009, by Todd D. Walker (mrwalk08 [at] aol [dot] com)

Thanks for the cool pic Mike. The Astoria-Megler Bridge is a spectacular bridge I would love to check out if got a chance to visit the Pacific Northwest. I been reading about the numerous historic spans along Rt 101. A bridge fanatic like me would surely enjoy driving Rt 101. I live in northern Ohio and the neatest bridge close to me is Michigan's Mackinac Straits Bridge the one span that got me into bridges in the first place.

Astoria-Megler Bridge
Posted August 10, 2009, by Michael Goff (michael [dot] goff [at] odot [dot] state [dot] or [dot] us)

Todd,

Every time I have been down to Astoria/Megler the sun has not been in the favor of shooting from the Washington Side. I have a very hazy photo of the Washington end of the bridge. I'll post if for you.

Mike

Astoria-Megler Bridge
Posted August 10, 2009, by Todd D. Walker (mrwalk08 [at] aol [dot] com)

This is a beautiful west coast bridge. So far on this site there is pics of the Astoria continuous truss only. I've read about this bridge and on the Megler side there are seven simple truss spans starting at the other end of the long trestle extending from the end of the high level Astoria trusses. I like to see the Megler trusses posted if possible.

Columbia River Bridge
Posted June 26, 2008, by Mike in Portland (mcnair1 [at] yahoo [dot] com)

It's more long than scary (about three miles), and it's a lot of fun to cross. This is an excellent photo, but it has to be seen in person.

Columbia River Bridge
Posted June 25, 2008, by J.R. Manning (thekitchenguy [at] sbcglobal [dot] net)

Wow! That's a beauty - and I'll bet it's a white knuckler to drive across!