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CHAPMAN ROAD over N FK SCAPPOOSE CREEK

Map

Coordinates:
+45.82532, -122.97749
45°49'31" N, 122°58'39" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:CHAPMAN ROAD over N FK SCAPPOOSE CREEK
Structure number:13744B103400010
Location:090 MI SW ST HELENS
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:47.9 ft. [14.6 m]
Total length:48.9 ft. [14.9 m]
Roadway width between curbs:27.6 ft. [8.4 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Owner:County Highway Agency [02]
Year built:1978
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Prestressed concrete [5]
Main span design:Slab [01]
Deck type:Other [9]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:222 [as of 2010]
Truck traffic:10% of total traffic
Deck condition:Satisfactory [6 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: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 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]
Scour condition:Bridge with "unknown" foundation that has not been evaluated for scour. [U]
Sufficiency rating:84.8

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactorySatisfactoryFair22284.8
May 2015FairSatisfactoryFairFair22284.8
May 2013FairGoodSatisfactoryFair22284.8
May 2011FairGoodSatisfactoryFair22284.8
May 2009FairGoodSatisfactoryFair22284.8
November 2008FairGoodSatisfactoryFair22284.8
September 2006FairGoodSatisfactoryFair21484.8
September 2004FairGoodVery GoodFair21484.7
September 2002PoorGoodVery GoodPoor21468.6
September 2000PoorGoodVery GoodPoor20568.6
August 1998PoorGoodVery GoodPoor20068.9
May 1996PoorGoodGoodPoor20068.9
April 1994GoodGoodGoodVery Good20095.9
March 1992GoodGoodGoodVery Good20095.9
January 1990GoodGoodVery GoodVery Good15097.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Deck
Prestressed Concrete Decksq. ft.1,3721,3472140
Wearing Surfacessq. ft.1,3721,25201200
Substructure
Reinforced Concrete Abutmentlinear ft.56834140
Steel Pileeach70700
Bearings
Elastomeric Bearingeach2828000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.98851300
Steel Protective Coatingsq. ft.6085327600