Share:

SH 59 ML over SIX MILE CREEK

Map

Coordinates:
+40.55678, -102.62673
40°33'24" N, 102°37'36" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 59 ML over SIX MILE CREEK
Structure number:B-26-E
Location:35.1 MI N OF JCT US 34
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:23.0 ft. [7.0 m]
Total length:114.2 ft. [34.8 m]
Roadway width between curbs:24.9 ft. [7.6 m]
Deck width edge-to-edge:25.9 ft. [7.9 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1948
Historic significance:Bridge is possibly eligible for the National Register of Historic Places [3]
Design load:M 18 / H 20 [4]
Number of main spans:5
Main spans material:Wood or timber [7]
Main spans design:Stringer/Multi-beam or girder [02]
Deck type:Corrugated Steel [6]
Wearing surface:Bituminous [6]

Latest Available Inspection: May 2017

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:280 [as of 2011]
Truck traffic:25% of total traffic
Deck condition:Satisfactory [6 out of 9]
Superstructure condition:Satisfactory [6 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: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 is scour critical; bridge foundations determined to be unstable. [3]
Sufficiency rating:60.4

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
May 2017FairSatisfactorySatisfactoryFair28060.4
May 2015FairSatisfactorySatisfactoryFair28060.4
May 2013FairSatisfactoryFairFair28069.3
May 2011FairSatisfactoryFairFair19073.8
April 2009FairSatisfactoryFairFair19073.8
June 2007FairSatisfactoryFairFair20071.8
June 2005FairSatisfactoryFairFair22871.8
May 2003FairSatisfactoryFairFair26271.9
April 2001FairVery GoodFairFair26275.4
April 1999FairSatisfactoryFairFair25273.5
April 1997FairSatisfactoryFairFair28073.4
April 1995FairSatisfactorySatisfactorySatisfactory28085.5
April 1993FairSatisfactorySatisfactorySatisfactory36071.9
May 1991FairSatisfactorySatisfactorySatisfactory30072.9

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Timber Girder/Beamlinear ft.1,6101,2422764646
Substructure
Timber Columneach3872830
Timber Abutmentlinear ft.6060000
Timber Pier Caplinear ft.2041168800
Deck
Corrugated or Orthotropic Decksq. ft.2,9642,2143004500
Wearing Surfacessq. ft.2,85002,85000
Steel Protective Coatingsq. ft.2,9642,21400750
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.228228000
Steel Protective Coatingsq. ft.2281710057