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Tolt Hill Road Bridge

King County, Washington
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Photos 

Tolt Road Bridge

Photo Courtesy of King County Department of Transportation

View this photo at your.kingcounty.gov

Map 

Video of the bridge replacement 

Courtesy of King County DOT

Go to this link and watch the video. It is too bad thay can't leave the old bridge for pedestrian use...

http://www.kingcounty.gov/transportation/kcdot/NewsCenter/DOTcast/RoadServices/060308_newtoltbridge.aspx

Facts 

Overview
Through truss bridge over Snoqualmie River on NE Tolt Hill Road
Location
King County, Washington
Status
Replaced by a NEW THROUGH TRUSS bridge in 2008
History
Built 1922; rehabilitated 1968, Replaced 2008
Builders
- J. A. McEachern (Builder)
- Kansas City Structural Steel Co. (Steel Fabrication)
Design
Parker through truss
Dimensions
Length of largest span: 200.1 ft.
Total length: 695.9 ft.
Deck width: 19.4 ft.
Vertical clearance above deck: 14.5 ft.
Also called
Snoqualmie River Bridge
Approximate latitude, longitude
+47.63833, -121.92667   (decimal degrees)
47°38'18" N, 121°55'36" W   (degrees°minutes'seconds")
Approximate UTM coordinates
10/580623/5276661 (zone/easting/northing)
USGS topographic map
Carnation
Inventory number
BH 34327 (Bridgehunter.com ID)
Inspection (as of 12/2007)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Poor (4 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 2.0 (out of 100)
Average daily traffic (as of 2002)
2,950

Categories 

Built 1922 (466)
Built during 1920s (7,046)
Corrugated deck (519)
Formerly NR-eligible (267)
J. A. McEachern (2)
Kansas City Structural Steel Co. (5)
King County, Washington (143)
Lost (10,494)
Lost 2008 (179)
Lost during 2000s (3,098)
Owned by county (16,526)
 Parker through truss (955)
Parker truss (1,274)
Replaced by new bridge (7,218)
Snoqualmie River (14)
Span length 175-250 feet (1,489)
Structurally deficient (16,728)
Through truss (9,254)
Total length 500-1000 feet (1,819)
Truss (23,615)
Washington (849)

Update Log 

  • February 16, 2009: Essay added by Quinn Phelan
  • February 3, 2009: New photo from Michael Goff

Sources 

  • Mike Goff - michael [dot] goff [at] hotmail [dot] com
  • Quinn Phelan - qphelan [at] earthlink [dot] net
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Comments 

Tolt Hill Road Bridge
Posted March 21, 2010, by Matthew Lohry

I agree with Nathan--Granted, I would much rather see a new truss bridge being built than some ugly concrete blob, but I certainly do not support the idea of destroying the truly historic bridges to make way for them.

Tolt Hill Road Bridge
Posted March 16, 2010, by Nathan Holth (form3 [at] historicbridges [dot] org)

Constructing new truss bridges are becoming a popular way to meet Section 106 mitigation. I disagree with this; mitigation should include preservation of original bridge material.

Tolt Hill Road Bridge
Posted March 13, 2010, by D. W. Adams (weetbixmarmite [at] yahoo [dot] com)

They seem to like building new through trusses around there. Both the Raging River and new Mount Si Road bridges are recently-built through truss bridges.

http://bridgehunter.com/wa/king/81285000000000/

http://bridgehunter.com/wa/king/86380000000000/

Tolt Hill Road Bridge
Posted July 13, 2009, by Anonymous

This has to be the newest through truss bridge around!