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DUPONT,PROSPECT ST over WHATCOM CREEK

Map

Coordinates:
+48.75500, -122.48100
48°45'18" N, 122°28'52" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:DUPONT,PROSPECT ST over WHATCOM CREEK
Structure number:085527000000000
Location:AT POST OFFICE
Purpose:Carries highway and pedestrian walkway over waterway
Route classification:Other Principal Arterial (Urban) [14]
Length of largest span:67.9 ft. [20.7 m]
Total length:67.9 ft. [20.7 m]
Roadway width between curbs:36.1 ft. [11.0 m]
Deck width edge-to-edge:51.2 ft. [15.6 m]
Skew angle:20°
Owner:City or Municipal Highway Agency [04]
Year built:1920
Year reconstructed:2002
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 22.5 / HS 25 [9]
Main span material:Concrete [1]
Main span design:Frame [07]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Monolithic Concrete (concurrently placed with structural deck) [1]

Latest Available Inspection: April 2017

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:8,700 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Good [7 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Basically intolerable requiring high priority of replacement [2]
Water adequacy appraisal:Better than present minimum criteria [7]
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:77.0
Recommended work:Bridge rehabilitation because of general structure deterioration or inadequate strength. [35]
Estimated cost of work:$1,251,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
April 2017GoodGoodGoodGood870077.0
April 2015GoodGoodGoodGood870077.0
April 2013GoodGoodGoodGood870077.0
April 2011GoodGoodGoodGood870077.0
July 2009GoodGoodGoodGood820077.0
April 2007GoodGoodGoodGood820069.4
July 2003GoodGoodGoodGood820069.4
November 1999PoorSatisfactoryPoorGood820044.4
June 1997PoorSatisfactoryPoorGood820044.4
December 1995FairSatisfactoryFairGood1080058.0
November 1993FairSatisfactorySatisfactoryGood1080069.3
November 1991FairSatisfactorySatisfactoryGood1080081.5

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Reinforced Concrete Archlinear ft.6868000
Substructure
Reinforced Concrete Abutmentlinear ft.4848000
Bridge Rail
Reinforced Concrete Bridge Raillinear ft.136131500
Deck
Reinforced Concrete Slabsq. ft.2,4482,448000