County Road 59 over N. Sterling Outlet Canal


+40.85319, -103.01844
40°51'11" N, 103°01'06" W


Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:County Road 59 over N. Sterling Outlet Canal
Structure number:LOG59-58.1-163
Location:0.3 Mi N of Co Rd 58
Purpose:Carries highway over waterway
Route classification:Local (Rural) [09]
Length of largest span:20.3 ft. [6.2 m]
Total length:43.3 ft. [13.2 m]
Roadway width between curbs:18.0 ft. [5.5 m]
Deck width edge-to-edge:18.0 ft. [5.5 m]
Owner:County Highway Agency [02]
Year built:1940
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
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:Gravel [8]

Latest Available Inspection: December 2017

Good/Fair/Poor Condition:Poor
Status:Posted for load [P]
Average daily traffic:11 [as of 2012]
Deck condition:Fair [5 out of 9]
Superstructure condition:Poor [4 out of 9]
Substructure condition:Poor [4 out of 9]
Structural appraisal:Basically intolerable requiring high priority of replacement [2]
Deck geometry appraisal:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Basically intolerable requiring high priority of corrrective action [3]
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:34.0
Recommended work:Replacement of bridge or other structure because of substandard load carrying capacity or substantial bridge roadway geometry. [31]
Estimated cost of work:$929,000

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
December 2017PoorFairPoorPoor1134.0
January 2016PoorFairFairPoor1134.0
January 2014PoorSatisfactoryFairPoor1135.0
January 2012PoorSatisfactoryFairPoor1135.0
January 2010PoorGoodFairPoor1835.0
January 2008PoorGoodFairPoor1835.0
December 2005PoorGoodSatisfactoryPoor135.0
January 2004FairGoodSatisfactoryFair135.0
April 2002FairVery GoodFairFair535.0
April 2000FairVery GoodGoodFair535.0
August 1999FairVery GoodSatisfactoryFair535.0
August 1998FairVery GoodSatisfactoryFair535.0
May 1996FairVery GoodFairFair1935.0
March 1994FairVery GoodSatisfactoryFair1935.0
March 1992FairVery GoodSatisfactoryFair1935.0
March 1990FairVery GoodGoodFair930.0

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
Timber Girder/Beamlinear ft.5621543028323
Timber Columneach10100
Reinforced Concrete Pier Walllinear ft.1800810
Reinforced Concrete Abutmentlinear ft.3600324
Timber Pier Caplinear ft.5443830
Timber Decksq. ft.77854523300