S 427 over OTTER CREEK


+47.26364, -110.72503
47°15'49" N, 110°43'30" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:S 427 over OTTER CREEK
Structure number:S00427012+02001
Purpose:Carries highway over waterway
Route classification:Major Collector (Rural) [07]
Length of largest span:19.0 ft. [5.8 m]
Total length:40.0 ft. [12.2 m]
Roadway width between curbs:24.3 ft. [7.4 m]
Deck width edge-to-edge:26.2 ft. [8.0 m]
Owner:State Highway Agency [01]
Year built:1957
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 13.5 / HS 15 [3]
Number of main spans:2
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: November 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:112 [as of 2016]
Truck traffic:10% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Good [7 out of 9]
Substructure condition:Satisfactory [6 out of 9]
Structural appraisal:Equal to present minimum criteria [6]
Deck geometry appraisal:Somewhat better than minimum adequacy to tolerate being left in place as is [5]
Water adequacy appraisal:Equal to present desirable criteria [8]
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 foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:84.6

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
November 2017FairGoodGoodSatisfactory11284.6
November 2015FairGoodGoodSatisfactory17084.4
December 2013FairGoodGoodSatisfactory17084.4
December 2011FairGoodGoodSatisfactory17084.4
November 2009FairGoodGoodSatisfactory17085.4
December 2007FairGoodGoodSatisfactory15085.4
January 2006FairSatisfactoryGoodGood13085.5
April 2004FairSatisfactoryGoodGood12085.6
December 2001FairSatisfactoryGoodGood15085.4
January 2000FairSatisfactoryGoodGood13085.5
January 1998GoodGoodGoodGood13085.5
April 1996GoodGoodVery GoodGood10981.6
March 1994GoodGoodVery GoodVery Good16880.7
January 1992GoodGoodVery GoodVery Good11980.9

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.5184615700
Timber Columneach1717000
Timber Abutmentlinear ft.8585000
Timber Pier Caplinear ft.82532900
Timber Decksq. ft.1,0441,044000
Wearing Surfacessq. ft.1,0441,044000
Bridge Rail
Timber Bridge Raillinear ft.7974500