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SR 6 over HALF MOON CREEK

Map

Coordinates:
+46.55986, -123.55086
46°33'35" N, 123°33'03" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SR 6 over HALF MOON CREEK
Structure number:0002340C0000000
Location:14.6 E JCT US 101
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:60.0 ft. [18.3 m]
Total length:60.0 ft. [18.3 m]
Roadway width between curbs:27.9 ft. [8.5 m]
Deck width edge-to-edge:31.2 ft. [9.5 m]
Owner:State Highway Agency [01]
Year built:1917
Year reconstructed:1939
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Main span material:Concrete [1]
Main span design:Arch - Deck [11]
Deck type:Not applicable [N]
Wearing surface:Bituminous [6]

Latest Available Inspection: April 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:1,165 [as of 2016]
Truck traffic:17% of total traffic
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:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Bank is beginning to slump. River control devices and embankment protection have widespread minor damage. There is minor stream bed movement evident. Debris is restricting the channel slightly. [6]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:62.8
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$816,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2018Fair-SatisfactoryGood116562.8
April 2016Fair-SatisfactoryGood132256.8
April 2014Fair-SatisfactoryGood132256.8
April 2012Fair-SatisfactoryGood139364.3
May 2010Fair-SatisfactoryGood162864.3
May 2008Fair-SatisfactoryGood162864.3
June 2006Fair-SatisfactoryGood156264.3
June 2004Fair-SatisfactoryGood156264.3
August 2002Fair-SatisfactoryGood156264.3
May 2000FairGoodSatisfactoryGood156264.3
June 1998FairGoodSatisfactoryGood156864.3
December 1996FairGoodSatisfactoryGood156847.8
June 1994FairGoodSatisfactoryGood128044.0
June 1992FairGoodSatisfactoryGood120050.0