+46.00123, -104.48286
46°00'04" N, 104°28'58" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 7 over DRAINAGE
Structure number:P00027008+00761
Location:8M NE EKALAKA
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:19.0 ft. [5.8 m]
Total length:58.4 ft. [17.8 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Skew angle:35°
Owner:State Highway Agency [01]
Year built:1940
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:M 13.5 / H 15 [2]
Number of main spans:3
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Wood or Timber [8]
Wearing surface:Bituminous [6]

Latest Available Inspection: October 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:417 [as of 2017]
Truck traffic:8% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Good [7 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:Equal to present minimum criteria [6]
Roadway alignment appraisal:Equal to present minimum criteria [6]
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 foundations determined to be stable for assessed or calculated scour condition. [5]
Sufficiency rating:74.9

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
October 2018FairSatisfactoryGoodFair41774.9
October 2016FairSatisfactoryGoodFair40075.9
October 2014FairSatisfactoryGoodSatisfactory44085.9
October 2012FairSatisfactoryGoodSatisfactory44085.9
November 2010FairSatisfactoryGoodSatisfactory44085.9
September 2008FairGoodGoodSatisfactory40088.0
January 2007FairGoodGoodSatisfactory32088.2
February 2005FairGoodGoodSatisfactory32080.9
February 2003FairGoodGoodSatisfactory31081.0
January 2001FairGoodGoodSatisfactory30081.0
January 1999FairGoodGoodFair30069.8
December 1996FairVery GoodVery GoodSatisfactory24583.6
January 1995GoodVery GoodVery GoodVery Good22181.0
November 1992GoodVery GoodVery GoodVery Good22475.1
February 1991GoodVery GoodVery GoodVery Good24475.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.7617233800
Timber Abutmentlinear ft.102901200
Timber Pileeach2021170
Timber Pier Caplinear ft.157886900
Timber Decksq. ft.1,5181,4427600
Wearing Surfacessq. ft.1,5181,214762280
Bridge Rail
Timber Bridge Raillinear ft.115951550