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NISQUALLY CUTOFF over OVERFLOW CHANNEL

Map

Coordinates:
+47.06765, -122.71437
47°04'04" N, 122°42'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:NISQUALLY CUTOFF over OVERFLOW CHANNEL
Structure number:080616000000000
Location:.2 E JCT I5
Purpose:Carries highway over relief for waterway
Route classification:Collector (Urban) [17]
Length of largest span:29.9 ft. [9.1 m]
Total length:91.9 ft. [28.0 m]
Roadway width between curbs:44.0 ft. [13.4 m]
Deck width edge-to-edge:50.5 ft. [15.4 m]
Owner:County Highway Agency [02]
Year built:1936
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Number of main spans:3
Main spans material:Concrete [1]
Main spans design:Tee beam [04]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: June 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:5,226 [as of 2018]
Truck traffic:25% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Satisfactory [6 out of 9]
Substructure condition:Fair [5 out of 9]
Structural appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Deck geometry appraisal:Equal to present minimum criteria [6]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:86.6
Recommended work:Other structural work, including hydraulic replacements. [38]
Estimated cost of work:$1,251,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
June 2018FairGoodSatisfactoryFair522686.6
June 2016FairGoodSatisfactoryFair522686.5
September 2014FairGoodSatisfactorySatisfactory522694.8
October 2012FairGoodFairFair468374.5
October 2010FairGoodFairFair468374.5
October 2008FairGoodFairFair468374.5
August 2006FairGoodFairFair468374.5
July 2005FairGoodFairFair365575.0
September 2003FairGoodFairFair365575.0
January 2002FairGoodFairFair349775.1
October 1999FairGoodFairFair349775.1
September 1997FairGoodFairFair349775.1
August 1995FairGoodSatisfactorySatisfactory349759.0
March 1994FairGoodSatisfactorySatisfactory219067.3
January 1993FairGoodSatisfactorySatisfactory219067.3
March 1991GoodGoodGoodVery Good219069.3