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SH 71 ML over BOB CREEK CANAL

Map

Coordinates:
+38.26459, -103.74847
38°15'53" N, 103°44'54" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 71 ML over BOB CREEK CANAL
Structure number:K-22-F
Location:3.3 MI N OF JCT SH 96 E
Purpose:Carries highway over waterway
Route classification:Minor Arterial (Rural) [06]
Length of largest span:44.9 ft. [13.7 m]
Total length:47.9 ft. [14.6 m]
Roadway width between curbs:24.0 ft. [7.3 m]
Deck width edge-to-edge:27.9 ft. [8.5 m]
Skew angle:30°
Owner:State Highway Agency [01]
Year built:1955
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 18 / HS 20 [5]
Main span material:Steel [3]
Main span design:Stringer/Multi-beam or girder [02]
Deck type:Concrete Cast-in-Place [1]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Fair
Status:Open, no restriction [A]
Average daily traffic:860 [as of 2011]
Truck traffic:21% 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:Meets minimum tolerable limits to be left in place as is [4]
Water adequacy appraisal:Equal to present desirable criteria [8]
Roadway alignment appraisal:Equal to present desirable criteria [8]
Channel protection:Banks are protected or well vegetated. River control devices such as spur dikes and embankment protection are not required or are in a stable condition. [8]
Scour condition:Bridge foundations determined to be stable for the assessed or calculated scour condition. [8]
Sufficiency rating:54.2

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018FairSatisfactorySatisfactoryFair86054.2
January 2016FairGoodSatisfactoryFair86054.2
January 2014FairGoodGoodSatisfactory86049.9
May 2012FairGoodGoodSatisfactory88049.6
March 2010FairGoodGoodSatisfactory88049.6
January 2008FairGoodGoodSatisfactory88049.6
January 2006FairGoodGoodSatisfactory47856.7
January 2004FairGoodGoodSatisfactory62163.4
January 2002FairGoodGoodSatisfactory62154.2
February 2000FairGoodGoodSatisfactory59854.6
January 1998FairGoodGoodSatisfactory36056.2
February 1996FairGoodGoodSatisfactory36058.9
February 1994GoodGoodGoodGood31062.5
March 1991GoodGoodGoodGood48060.6

Element Data

Source: National Bridge Elements dataset, 2019 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.1804613400
Steel Protective Coatingsq. ft.1804600134
Deck
Reinforced Concrete Decksq. ft.1,3441,21512630
Wearing Surfacessq. ft.1,1521,152000
Substructure
Timber Columneach1601420
Reinforced Concrete Abutmentlinear ft.64511030
Joints
Pourable Jointlinear ft.5652400
Bearings
Fixed Bearingeach80440
Steel Protective Coatingsq. ft.80008
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.9696000
Steel Protective Coatingsq. ft.9696000