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ISMAY RD over COTTONWOOD CREEK

Map

Coordinates:
+46.45664, -104.78858
46°27'24" N, 104°47'19" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:ISMAY RD over COTTONWOOD CREEK
Structure number:S00320002+02001
Location:3M S ISMAY
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.0 ft. [5.8 m]
Total length:95.5 ft. [29.1 m]
Roadway width between curbs:19.0 ft. [5.8 m]
Deck width edge-to-edge:20.0 ft. [6.1 m]
Owner:County Highway Agency [02]
Year built:1934
Historic significance:Bridge is eligible for the National Register of Historic Places [2]
Design load:M 13.5 / H 15 [2]
Number of main spans:5
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Gravel [8]

Latest Available Inspection: July 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:55 [as of 2016]
Deck condition:Good [7 out of 9]
Superstructure condition:Fair [5 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Meets minimum tolerable limits to be left in place as is [4]
Roadway alignment appraisal:Meets minimum tolerable limits to be left in place as is [4]
Channel protection:Bank and embankment protection is severely undermined. River control devices have severe damage. Large deposits of debris are in the channel. [4]
Scour condition:Bridge is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:71.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
July 2017FairGoodFairFair5571.9
October 2016FairGoodFairFair5071.9
October 2014FairGoodFairFair8072.8
October 2012FairGoodFairFair8071.8
November 2010FairGoodFairSatisfactory8073.8
September 2008FairGoodFairSatisfactory8072.4
January 2007FairGoodFairSatisfactory8072.4
February 2005FairGoodFairSatisfactory7072.4
February 2003FairGoodFairSatisfactory9072.4
January 2001FairGoodFairSatisfactory5072.5
January 1999FairGoodFairSatisfactory12054.1
November 1996FairGoodFairSatisfactory8070.4
December 1994FairGoodSatisfactorySatisfactory13064.0
September 1992GoodVery GoodVery GoodVery Good13066.1
February 1991GoodVery GoodVery GoodVery Good16062.1

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.95507152400
Substructure
Timber Abutmentlinear ft.52260260
Steel Pileeach20110
Timber Pileeach2500250
Timber Pier Caplinear ft.131696200
Deck
Timber Decksq. ft.1,9161,916000
Bridge Rail
Timber Bridge Raillinear ft.1901370530