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SR 20 over GORGE CREEK

Map

Coordinates:
+48.70067, -121.20978
48°42'02" N, 121°12'35" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 20 over GORGE CREEK
Structure number:000000MT0000000
Location:7.0 E SKAGIT CO
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:180.1 ft. [54.9 m]
Total length:247.1 ft. [75.3 m]
Roadway width between curbs:22.0 ft. [6.7 m]
Deck width edge-to-edge:37.1 ft. [11.3 m]
Owner:State Highway Agency [01]
Year built:1955
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:3
Main spans material:Steel [3]
Main spans design:Arch - Deck [11]
Deck type:Open Grating [3]
Wearing surface:Other [9]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,651 [as of 2016]
Truck traffic:13% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Basically intolerable requiring high priority of corrrective action [3]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations (including piles) on dry land well above flood water elevations. [9]
Sufficiency rating:57.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$2,668,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairSatisfactorySatisfactoryGood165157.0
June 2016FairSatisfactorySatisfactoryGood120857.0
June 2014FairSatisfactorySatisfactoryGood120857.0
June 2012FairSatisfactorySatisfactoryGood102858.9
June 2010FairSatisfactorySatisfactoryGood93162.5
June 2008FairSatisfactorySatisfactoryGood93162.5
September 2006FairSatisfactorySatisfactoryGood170057.0
April 2004FairSatisfactorySatisfactoryGood170057.0
June 2003FairSatisfactorySatisfactoryGood170056.0
June 2001FairSatisfactorySatisfactoryGood170055.0
June 1999FairSatisfactorySatisfactoryGood142256.0
April 1997FairSatisfactorySatisfactoryGood142256.0
April 1995FairSatisfactorySatisfactoryGood142256.0
August 1993FairGoodSatisfactoryGood115557.2
August 1991FairGoodSatisfactoryGood115557.2