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SH 21B ML over KETTLE CREEK

Map

Coordinates:
+38.99506, -104.77717
38°59'42" N, 104°46'38" W

Facts

Source: National Bridge Inventory. Information not verified; use at your own risk.
Name:SH 21B ML over KETTLE CREEK
Structure number:I-17-MK
Location:SBND POWERS
Purpose:Carries highway over waterway
Route classification:Principal Arterial - Other Freeways or Expressways (Urban) [12]
Length of largest span:174.9 ft. [53.3 m]
Total length:457.4 ft. [139.4 m]
Roadway width between curbs:82.0 ft. [25.0 m]
Deck width edge-to-edge:85.0 ft. [25.9 m]
Owner:State Highway Agency [01]
Year built:2005
Historic significance:Bridge is not eligible for the National Register of Historic Places [5]
Design load:MS 22.5 / HS 25 [9]
Number of main spans:3
Main spans material:Steel continuous [4]
Main spans design:Girder and floorbeam system [03]
Deck type:Concrete Precast Panels [2]
Wearing surface:Bituminous [6]

Latest Available Inspection: January 2018

Good/Fair/Poor Condition:Good
Status:Open, no restriction [A]
Average daily traffic:12,500 [as of 2011]
Truck traffic:4% of total traffic
Deck condition:Good [7 out of 9]
Superstructure condition:Very Good [8 out of 9]
Substructure condition:Very Good [8 out of 9]
Structural appraisal:Better than present minimum criteria [7]
Deck geometry appraisal:Better than present minimum criteria [7]
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:94.0

Previous Inspections

DateConditionDeckSuperstructureSubstructureADTSuff. Rating
January 2018GoodGoodVery GoodVery Good1250094.0
January 2016GoodVery GoodVery GoodVery Good1250094.0
February 2014GoodVery GoodVery GoodVery Good1250094.0
March 2012GoodVery GoodVery GoodVery Good2110091.9
March 2010GoodVery GoodVery GoodVery Good2110091.9
April 2008GoodVery GoodExcellentExcellent1940092.3
June 2006GoodVery GoodExcellentExcellent2450084.6
January 2004GoodVery GoodVery GoodVery Good5448220.0

Element Data

Source: National Bridge Elements dataset, 2018 edition. This feature is experimental.
ElementUnitsQuantity1-Good2-Fair3-Poor4-Serious
Superstructure
Steel Girder/Beamlinear ft.3,6613,661000
Deck
Reinforced Concrete Decksq. ft.38,79438,04475000
Wearing Surfacessq. ft.37,55637,556000
Substructure
Reinforced Concrete Columneach88000
Reinforced Concrete Abutmentlinear ft.170170000
Reinforced Concrete Pier Caplinear ft.170170000
Joints
Strip Seal Jointlinear ft.170170000
Bearings
Elastomeric Bearingeach1616000
Fixed Bearingeach1818000
Steel Protective Coatingsq. ft.1818000
Bridge Rail
Steel or Aluminum Bridge Raillinear ft.915915000
Steel Protective Coatingsq. ft.915915000