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POTLATCH ROAD over BLACK PRINCE TRESTLE

Map

Coordinates:
+47.26564, -116.05894
47°15'56" N, 116°03'32" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:POTLATCH ROAD over BLACK PRINCE TRESTLE
Structure number:000000000030996
Location:6.6 E. CALDER
Purpose:Carries highway over waterway
Route classification:Minor Collector (Rural) [08]
Length of largest span:14.1 ft. [4.3 m]
Total length:144.0 ft. [43.9 m]
Roadway width between curbs:12.5 ft. [3.8 m]
Deck width edge-to-edge:14.1 ft. [4.3 m]
Owner:County Highway Agency [02]
Year built:1912
Year reconstructed:1991
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:MS 18 / HS 20 [5]
Number of main spans:10
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Wood or Timber [7]

Latest Available Inspection: August 2017

Good/Fair/Poor Condition:Fair
Status:Posted for load [P]
Average daily traffic:100 [as of 2015]
Truck traffic:5% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Fair [5 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Meets minimum tolerable limits to be left in place as is [4]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Better than present minimum criteria [7]
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:37.8
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$1,319,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
August 2017FairSatisfactoryFairSatisfactory10037.8
August 2015FairSatisfactoryFairSatisfactory10037.8
August 2014FairSatisfactoryFairSatisfactory10037.8
August 2013FairSatisfactoryFairSatisfactory10037.8
August 2012FairSatisfactoryFairSatisfactory10038.1
August 2011FairSatisfactoryFairSatisfactory10038.1
August 2010FairSatisfactoryFairSatisfactory10038.1
August 2009FairSatisfactoryFairSatisfactory10038.1
August 2008FairSatisfactoryFairSatisfactory10038.1
August 2007FairSatisfactorySatisfactorySatisfactory10048.1
August 2006FairSatisfactorySatisfactorySatisfactory10048.1
August 2005FairSatisfactorySatisfactorySatisfactory10048.1
August 2004FairSatisfactorySatisfactorySatisfactory10048.1
August 2003FairSatisfactorySatisfactorySatisfactory10048.1
August 2002FairSatisfactorySatisfactorySatisfactory10048.1
August 2000FairSatisfactorySatisfactorySatisfactory10048.1
August 1999FairSatisfactorySatisfactorySatisfactory10048.1
August 1998FairSatisfactorySatisfactorySatisfactory10048.1
August 1997FairSatisfactorySatisfactorySatisfactory10048.1
August 1996FairSatisfactorySatisfactorySatisfactory10048.1
August 1995FairSatisfactorySatisfactoryGood10048.1
August 1994FairSatisfactorySatisfactoryGood10048.1
August 1992FairSatisfactorySatisfactoryGood10048.1

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,834812962600
Substructure
Other Material Abutmentlinear ft.5404680
Timber Pileeach5404761
Timber Pier Caplinear ft.126098280
Deck
Timber Decksq. ft.1,9911,1272885760
Wearing Surfacessq. ft.1,3681,01803500