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MILL STREET over POTLATCH RVR(SPERRY BR)

Map

Coordinates:
+46.61211, -116.65783
46°36'44" N, 116°39'28" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:MILL STREET over POTLATCH RVR(SPERRY BR)
Structure number:000000000029935
Location:AT KENDRICK SCL
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:119.1 ft. [36.3 m]
Total length:242.1 ft. [73.8 m]
Roadway width between curbs:15.1 ft. [4.6 m]
Deck width edge-to-edge:17.1 ft. [5.2 m]
Vertical clearance above deck:16.4 ft. [5.0 m]
Owner:County Highway Agency [02]
Year built:1908
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 9 / H 10 [1]
Number of main spans:2
Main spans material:Steel [3]
Main spans design:Truss - Thru [10]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: September 2018

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:170 [as of 2016]
Truck traffic:5% of total traffic
Deck condition:Fair [5 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Critical [2 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
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 desirable criteria [8]
Channel protection:Bank protection is in need of minor repairs. River control devices and embankment protection have a little minor damage. Banks and/or channel have minor amounts of drift. [7]
Scour condition:Bridge is scour critical; field review indicates that extensive scour has occurred at bridge foundations. [2]
Sufficiency rating:22.9
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,929,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
September 2018PoorFairFairCritical17022.9
September 2017PoorFairFairCritical17022.9
September 2016PoorFairFairCritical17022.9
September 2015PoorFairCriticalCritical17022.9
September 2014PoorFairFairCritical17022.9
September 2013FairFairFairFair17029.9
September 2012FairFairFairFair17031.2
September 2011FairFairFairFair17031.2
September 2010FairFairFairSatisfactory17031.2
September 2009FairSatisfactoryFairSatisfactory17032.3
September 2008FairSatisfactorySatisfactorySatisfactory17042.6
September 2007FairSatisfactorySatisfactorySatisfactory17042.6
September 2006FairSatisfactorySatisfactorySatisfactory17042.6
September 2005FairSatisfactorySatisfactorySatisfactory17042.6
October 2004FairSatisfactorySatisfactorySatisfactory17042.6
October 2003FairSatisfactorySatisfactorySatisfactory17042.6
October 2002FairSatisfactorySatisfactorySatisfactory17042.6
October 2000-----26.0
October 1999GoodGoodGoodGood17037.9
October 1998GoodGoodGoodGood17037.9
April 1997GoodGoodGoodGood17037.9
April 1996GoodGoodGoodGood17037.9
April 1995GoodGoodGoodGood17037.8
April 1994GoodGoodGoodGood17037.8
April 1992GoodGoodGoodGood17037.8
April 1991GoodGoodGoodGood17037.8

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Stringerlinear ft.2,1781,6072513200
Steel Trusslinear ft.4764392980
Steel Protective Coatingsq. ft.7,7447,744000
Steel Floor Beamlinear ft.2037911950
Steel Protective Coatingsq. ft.1,0888881001000
Steel Gusset Plateeach966419130
Steel Protective Coatingsq. ft.12810610120
Substructure
Other Material Abutmentlinear ft.60233700
Steel Protective Coatingsq. ft.480480000
Deck
Timber Decksq. ft.4,1142,6146009000
Wearing Surfacessq. ft.1,9361,936000
Bearings
Movable Bearingeach40400
Steel Protective Coatingsq. ft.1616000
Fixed Bearingeach40400
Steel Protective Coatingsq. ft.1616000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.4864671630
Steel Protective Coatingsq. ft.9727621001100