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US 12 / HERON ST over WISHKAH RIVER

Map

Coordinates:
+46.97597, -123.81206
46°58'33" N, 123°48'43" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:US 12 / HERON ST over WISHKAH RIVER
Structure number:000000LM0000000
Location:0.1 E JCT US 101
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:92.9 ft. [28.3 m]
Total length:234.9 ft. [71.6 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:29.5 ft. [9.0 m]
Vertical clearance below bridge:9.8 ft. [3.0 m]
Owner:State Highway Agency [01]
Year built:1949
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 18 / H 20 [4]
Number of main spans:2
Main spans material:Steel continuous [4]
Main spans design:Movable - Swing [17]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: March 2017

Good/Fair/Poor Condition:Poor
Status:Open, no restriction [A]
Average daily traffic:13,632 [as of 2012]
Truck traffic:6% of total traffic
Deck condition:Serious [3 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
Channel protection:Bank protection is being eroded. River control devices and/or embankment have major damage. Trees and rush restrict the channel. [5]
Pier/abutment protection:In place and functioning [2]
Scour condition:Bridge foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:43.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,820,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
March 2017PoorSeriousFairPoor1363243.8
March 2015PoorSeriousFairPoor1363243.8
March 2013PoorSeriousFairPoor1385743.8
March 2011PoorSeriousFairPoor1385743.8
May 2009PoorPoorSeriousPoor1370726.3
August 2007PoorFairFairPoor750049.4
June 2005PoorFairFairPoor750049.4
May 2004PoorSatisfactoryGoodPoor750043.5
July 2003PoorSatisfactoryGoodPoor750043.5
December 2002PoorSatisfactoryGoodPoor750043.5
September 2001PoorSatisfactoryGoodPoor750039.8
November 2000PoorSatisfactoryGoodPoor1512537.7
October 1999PoorGoodSatisfactoryPoor1512537.7
June 1998PoorGoodSatisfactoryPoor1512537.7
July 1997PoorGoodSatisfactoryPoor1512537.7
November 1995PoorGoodSatisfactoryPoor1512538.5
August 1994PoorGoodSatisfactoryPoor1512538.5
April 1993PoorGoodSatisfactoryPoor1130039.4
July 1992PoorGoodSatisfactoryPoor1130039.4

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.4704600100
Steel Protective Coatingsq. ft.6,1645,52500639
Steel Stringerlinear ft.1,8801,8681110
Steel Protective Coatingsq. ft.24,65922,100002,559
Deck
Reinforced Concrete Decksq. ft.1,2601,260000
Superstructure
Steel Floor Beamlinear ft.589581440
Steel Protective Coatingsq. ft.7,7256,92400801
Substructure
Reinforced Concrete Abutmentlinear ft.7976030
Reinforced Concrete Pile Cap/Footinglinear ft.44000
Reinforced Concrete Pileeach32001
Timber Pileeach4443010
Reinforced Concrete Pier Caplinear ft.2626000
Deck
Open Grid Decksq. ft.5,2364,679265189103
Joints
Open Jointlinear ft.8408400
Bearings
Movable Bearingeach22000
Enclosed/Concealed Bearingeach11000
Fixed Bearingeach106220
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.470470000